diff --git a/package.json b/package.json
index b6902ac15b..35b2d078d9 100644
--- a/package.json
+++ b/package.json
@@ -48,9 +48,9 @@
         "@swc/helpers": "~0.5.15",
         "@types/babel__core": "^7.20.5",
         "@types/node": "^22.10.7",
-        "@vitest/coverage-v8": "^3.0.3",
+        "@vitest/coverage-v8": "^3.0.4",
         "@vitest/eslint-plugin": "^1.1.25",
-        "@vitest/ui": "^3.0.3",
+        "@vitest/ui": "^3.0.4",
         "bytes": "^3.1.2",
         "es-module-lexer": "^1.6.0",
         "eslint": "9.18.0",
@@ -71,7 +71,7 @@
         "tslib": "^2.8.1",
         "typescript": "5.4.5",
         "typescript-eslint": "8.20.0",
-        "vitest": "^3.0.3"
+        "vitest": "^3.0.4"
     },
     "lint-staged": {
         "*.{js,mjs,ts}": "eslint --cache",
diff --git a/packages/@lwc/babel-plugin-component/src/__tests__/index.spec.ts b/packages/@lwc/babel-plugin-component/src/__tests__/index.spec.ts
index 2a0ccc41ec..963e81d814 100644
--- a/packages/@lwc/babel-plugin-component/src/__tests__/index.spec.ts
+++ b/packages/@lwc/babel-plugin-component/src/__tests__/index.spec.ts
@@ -7,7 +7,8 @@
 import path from 'node:path';
 import { describe } from 'vitest';
 import { transformSync } from '@babel/core';
-import { LWC_VERSION, HIGHEST_API_VERSION } from '@lwc/shared';
+import { HIGHEST_API_VERSION } from '@lwc/shared/api-version';
+import { LWC_VERSION } from '@lwc/shared/meta';
 import { testFixtureDir } from '@lwc/test-utils-lwc-internals';
 import plugin from '../index';
 
diff --git a/packages/@lwc/babel-plugin-component/src/compiler-version-number.ts b/packages/@lwc/babel-plugin-component/src/compiler-version-number.ts
index 9c3cf020a9..d402cf6d7d 100644
--- a/packages/@lwc/babel-plugin-component/src/compiler-version-number.ts
+++ b/packages/@lwc/babel-plugin-component/src/compiler-version-number.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { LWC_VERSION_COMMENT } from '@lwc/shared';
+import { LWC_VERSION_COMMENT } from '@lwc/shared/meta';
 import type { types, Visitor } from '@babel/core';
 import type { BabelAPI, LwcBabelPluginPass } from './types';
 
diff --git a/packages/@lwc/babel-plugin-component/src/component.ts b/packages/@lwc/babel-plugin-component/src/component.ts
index 5ce17a8da1..a2ad493dff 100644
--- a/packages/@lwc/babel-plugin-component/src/component.ts
+++ b/packages/@lwc/babel-plugin-component/src/component.ts
@@ -6,7 +6,8 @@
  */
 import { basename, extname } from 'path';
 import { addDefault, addNamed } from '@babel/helper-module-imports';
-import { generateCustomElementTagName, getAPIVersionFromNumber } from '@lwc/shared';
+import { getAPIVersionFromNumber } from '@lwc/shared/api-version';
+import { generateCustomElementTagName } from '@lwc/shared/custom-element';
 import {
     COMPONENT_NAME_KEY,
     LWC_PACKAGE_ALIAS,
diff --git a/packages/@lwc/babel-plugin-component/src/decorators/index.ts b/packages/@lwc/babel-plugin-component/src/decorators/index.ts
index 58eb422141..2457b97196 100644
--- a/packages/@lwc/babel-plugin-component/src/decorators/index.ts
+++ b/packages/@lwc/babel-plugin-component/src/decorators/index.ts
@@ -6,7 +6,7 @@
  */
 import { addNamed } from '@babel/helper-module-imports';
 import { DecoratorErrors } from '@lwc/errors';
-import { APIFeature, getAPIVersionFromNumber, isAPIFeatureEnabled } from '@lwc/shared';
+import { APIFeature, getAPIVersionFromNumber, isAPIFeatureEnabled } from '@lwc/shared/api-version';
 import { DECORATOR_TYPES, LWC_PACKAGE_ALIAS, REGISTER_DECORATORS_ID } from '../constants';
 import { generateError, isClassMethod, isGetterClassMethod, isSetterClassMethod } from '../utils';
 import api from './api';
diff --git a/packages/@lwc/compiler/src/options.ts b/packages/@lwc/compiler/src/options.ts
index 576a3eb62e..64fb80fa92 100755
--- a/packages/@lwc/compiler/src/options.ts
+++ b/packages/@lwc/compiler/src/options.ts
@@ -5,13 +5,9 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 import { CompilerValidationErrors, invariant } from '@lwc/errors';
-import {
-    isUndefined,
-    isBoolean,
-    getAPIVersionFromNumber,
-    DEFAULT_SSR_MODE,
-    type CompilationMode,
-} from '@lwc/shared';
+import { DEFAULT_SSR_MODE, type CompilationMode } from '@lwc/shared/ssr';
+import { isBoolean, isUndefined } from '@lwc/shared/language';
+import { getAPIVersionFromNumber } from '@lwc/shared/api-version';
 import type { InstrumentationObject } from '@lwc/errors';
 import type { CustomRendererConfig } from '@lwc/template-compiler';
 
diff --git a/packages/@lwc/compiler/src/transformers/__tests__/transform-html.spec.ts b/packages/@lwc/compiler/src/transformers/__tests__/transform-html.spec.ts
index 0c85880de9..14f3717095 100644
--- a/packages/@lwc/compiler/src/transformers/__tests__/transform-html.spec.ts
+++ b/packages/@lwc/compiler/src/transformers/__tests__/transform-html.spec.ts
@@ -5,7 +5,8 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 import { vi, describe, it, expect } from 'vitest';
-import { APIVersion, noop } from '@lwc/shared';
+import { noop } from '@lwc/shared/language';
+import { APIVersion } from '@lwc/shared/api-version';
 import { transformSync } from '../transformer';
 import type { TransformOptions } from '../../options';
 
diff --git a/packages/@lwc/compiler/src/transformers/__tests__/transform-javascript.spec.ts b/packages/@lwc/compiler/src/transformers/__tests__/transform-javascript.spec.ts
index a2a21e7e3f..2db51e2d51 100644
--- a/packages/@lwc/compiler/src/transformers/__tests__/transform-javascript.spec.ts
+++ b/packages/@lwc/compiler/src/transformers/__tests__/transform-javascript.spec.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 import { vi, describe, it, expect } from 'vitest';
-import { noop } from '@lwc/shared';
+import { noop } from '@lwc/shared/language';
 import { transform, transformSync } from '../transformer';
 import type { TransformOptions } from '../../options';
 
diff --git a/packages/@lwc/compiler/src/transformers/javascript.ts b/packages/@lwc/compiler/src/transformers/javascript.ts
index 724c503145..f956e39ec7 100755
--- a/packages/@lwc/compiler/src/transformers/javascript.ts
+++ b/packages/@lwc/compiler/src/transformers/javascript.ts
@@ -12,7 +12,7 @@ import babelObjectRestSpreadPlugin from '@babel/plugin-transform-object-rest-spr
 import lockerBabelPluginTransformUnforgeables from '@locker/babel-plugin-transform-unforgeables';
 import lwcClassTransformPlugin, { type LwcBabelPluginOptions } from '@lwc/babel-plugin-component';
 import { normalizeToCompilerError, TransformerErrors } from '@lwc/errors';
-import { isAPIFeatureEnabled, APIFeature } from '@lwc/shared';
+import { isAPIFeatureEnabled, APIFeature } from '@lwc/shared/api-version';
 
 import type { NormalizedTransformOptions } from '../options';
 import type { TransformResult } from './shared';
diff --git a/packages/@lwc/compiler/src/transformers/transformer.ts b/packages/@lwc/compiler/src/transformers/transformer.ts
index 6b44113d40..1df98bc3bc 100755
--- a/packages/@lwc/compiler/src/transformers/transformer.ts
+++ b/packages/@lwc/compiler/src/transformers/transformer.ts
@@ -6,7 +6,7 @@
  */
 import * as path from 'path';
 
-import { isString } from '@lwc/shared';
+import { isString } from '@lwc/shared/language';
 import { TransformerErrors, generateCompilerError, invariant } from '@lwc/errors';
 import { compileComponentForSSR, compileTemplateForSSR } from '@lwc/ssr-compiler';
 
diff --git a/packages/@lwc/engine-core/src/framework/api.ts b/packages/@lwc/engine-core/src/framework/api.ts
index 6386375b78..660629c90a 100644
--- a/packages/@lwc/engine-core/src/framework/api.ts
+++ b/packages/@lwc/engine-core/src/framework/api.ts
@@ -5,13 +5,10 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 import {
-    APIFeature,
     ArrayPush,
-    assert,
     create as ObjectCreate,
     forEach,
     freeze as ObjectFreeze,
-    isAPIFeatureEnabled,
     isArray,
     isFalse,
     isFunction,
@@ -23,10 +20,12 @@ import {
     isUndefined,
     StringReplace,
     toString,
-    sanitizeHtmlContent,
-    normalizeClass,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
 
+import * as assert from '@lwc/shared/assert';
+import { sanitizeHtmlContent } from '@lwc/shared/overridable-hooks';
+import { normalizeClass } from '@lwc/shared/normalize-class';
+import { isAPIFeatureEnabled, APIFeature } from '@lwc/shared/api-version';
 import { logError } from '../shared/logger';
 
 import { invokeEventListener } from './invoker';
diff --git a/packages/@lwc/engine-core/src/framework/base-bridge-element.ts b/packages/@lwc/engine-core/src/framework/base-bridge-element.ts
index 727cb22aef..f48eef1ef6 100644
--- a/packages/@lwc/engine-core/src/framework/base-bridge-element.ts
+++ b/packages/@lwc/engine-core/src/framework/base-bridge-element.ts
@@ -8,21 +8,22 @@
  * This module is responsible for creating the base bridge class BaseBridgeElement
  * that represents the HTMLElement extension used for any LWC inserted in the DOM.
  */
+
 import {
-    ArraySlice,
     ArrayIndexOf,
+    ArraySlice,
     create,
     defineProperties,
     defineProperty,
     freeze,
-    getOwnPropertyNames,
     getOwnPropertyDescriptors,
+    getOwnPropertyNames,
+    isNull,
     isUndefined,
-    seal,
     keys,
-    htmlPropertyToAttribute,
-    isNull,
-} from '@lwc/shared';
+    seal,
+} from '@lwc/shared/language';
+import { htmlPropertyToAttribute } from '@lwc/shared/html-attributes';
 import { ariaReflectionPolyfillDescriptors } from '../libs/reflection';
 import { logWarn } from '../shared/logger';
 import { getAssociatedVM } from './vm';
diff --git a/packages/@lwc/engine-core/src/framework/base-lightning-element.ts b/packages/@lwc/engine-core/src/framework/base-lightning-element.ts
index 836ea6ba82..d245048d01 100644
--- a/packages/@lwc/engine-core/src/framework/base-lightning-element.ts
+++ b/packages/@lwc/engine-core/src/framework/base-lightning-element.ts
@@ -18,18 +18,17 @@ import {
     defineProperty,
     entries,
     freeze,
-    isAPIFeatureEnabled,
     isFunction,
     isNull,
     isObject,
     isUndefined,
-    KEY__SYNTHETIC_MODE,
     keys,
     setPrototypeOf,
-    APIFeature,
-    assert,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
 
+import { KEY__SYNTHETIC_MODE } from '@lwc/shared/keys';
+import { APIFeature, isAPIFeatureEnabled } from '@lwc/shared/api-version';
+import * as assert from '@lwc/shared/assert';
 import { logError, logWarnOnce } from '../shared/logger';
 import { getComponentTag } from '../shared/format';
 import {
@@ -54,7 +53,8 @@ import { applyShadowMigrateMode } from './shadow-migration-mode';
 import type { HTMLElementConstructor } from './base-bridge-element';
 import type { Template } from './template';
 import type { RefVNodes, ShadowSupportMode, VM } from './vm';
-import type { Stylesheets, AccessibleElementProperties } from '@lwc/shared';
+import type { Stylesheets } from '@lwc/shared/style';
+import type { AccessibleElementProperties } from '@lwc/shared/aria';
 
 /**
  * This operation is called with a descriptor of an standard html property
diff --git a/packages/@lwc/engine-core/src/framework/check-version-mismatch.ts b/packages/@lwc/engine-core/src/framework/check-version-mismatch.ts
index a8821a5f62..50548b52ae 100644
--- a/packages/@lwc/engine-core/src/framework/check-version-mismatch.ts
+++ b/packages/@lwc/engine-core/src/framework/check-version-mismatch.ts
@@ -4,14 +4,15 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isNull, LWC_VERSION, LWC_VERSION_COMMENT_REGEX } from '@lwc/shared';
+import { isNull } from '@lwc/shared/language';
+import { LWC_VERSION, LWC_VERSION_COMMENT_REGEX } from '@lwc/shared/meta';
 
 import { logError } from '../shared/logger';
 
 import { report, ReportingEventId } from './reporting';
 import type { Template } from './template';
 import type { LightningElementConstructor } from './base-lightning-element';
-import type { Stylesheet } from '@lwc/shared';
+import type { Stylesheet } from '@lwc/shared/style';
 
 let warned = false;
 
diff --git a/packages/@lwc/engine-core/src/framework/component.ts b/packages/@lwc/engine-core/src/framework/component.ts
index c3fc10e7fc..246a9535a8 100644
--- a/packages/@lwc/engine-core/src/framework/component.ts
+++ b/packages/@lwc/engine-core/src/framework/component.ts
@@ -4,7 +4,9 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { assert, isFalse, isFunction, isUndefined, LOWEST_API_VERSION } from '@lwc/shared';
+import { isFalse, isFunction, isUndefined } from '@lwc/shared/language';
+import { LOWEST_API_VERSION } from '@lwc/shared/api-version';
+import * as assert from '@lwc/shared/assert';
 
 import { createReactiveObserver, unsubscribeFromSignals } from './mutation-tracker';
 
@@ -18,7 +20,7 @@ import type { LightningElementConstructor } from './base-lightning-element';
 import type { Template } from './template';
 import type { VNodes } from './vnodes';
 import type { ReactiveObserver } from './mutation-tracker';
-import type { APIVersion } from '@lwc/shared';
+import type { APIVersion } from '@lwc/shared/api-version';
 
 type ComponentConstructorMetadata = {
     tmpl: Template;
diff --git a/packages/@lwc/engine-core/src/framework/decorators/api.ts b/packages/@lwc/engine-core/src/framework/decorators/api.ts
index 663df2ae00..e620de560b 100644
--- a/packages/@lwc/engine-core/src/framework/decorators/api.ts
+++ b/packages/@lwc/engine-core/src/framework/decorators/api.ts
@@ -4,7 +4,8 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { assert, isFunction, isNull, toString } from '@lwc/shared';
+import { isFunction, isNull, toString } from '@lwc/shared/language';
+import * as assert from '@lwc/shared/assert';
 import { logError } from '../../shared/logger';
 import { isInvokingRender, isBeingConstructed } from '../invoker';
 import { componentValueObserved, componentValueMutated } from '../mutation-tracker';
diff --git a/packages/@lwc/engine-core/src/framework/decorators/register.ts b/packages/@lwc/engine-core/src/framework/decorators/register.ts
index 5c3ee03970..9aae60e090 100644
--- a/packages/@lwc/engine-core/src/framework/decorators/register.ts
+++ b/packages/@lwc/engine-core/src/framework/decorators/register.ts
@@ -12,7 +12,7 @@ import {
     defineProperty,
     getOwnPropertyDescriptor,
     isFalse,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
 
 import { assertNotProd, EmptyObject } from '../utils';
 import { logError } from '../../shared/logger';
diff --git a/packages/@lwc/engine-core/src/framework/decorators/track.ts b/packages/@lwc/engine-core/src/framework/decorators/track.ts
index ab42ba6f6b..5c3bba9bb3 100644
--- a/packages/@lwc/engine-core/src/framework/decorators/track.ts
+++ b/packages/@lwc/engine-core/src/framework/decorators/track.ts
@@ -4,7 +4,8 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { assert, toString } from '@lwc/shared';
+import { toString } from '@lwc/shared/language';
+import * as assert from '@lwc/shared/assert';
 import { trackTargetForMutationLogging } from '../mutation-logger';
 import { componentValueObserved } from '../mutation-tracker';
 import { isInvokingRender } from '../invoker';
diff --git a/packages/@lwc/engine-core/src/framework/decorators/wire.ts b/packages/@lwc/engine-core/src/framework/decorators/wire.ts
index 7abb57b1f3..13a73b51cd 100644
--- a/packages/@lwc/engine-core/src/framework/decorators/wire.ts
+++ b/packages/@lwc/engine-core/src/framework/decorators/wire.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { assert } from '@lwc/shared';
+import * as assert from '@lwc/shared/assert';
 import { componentValueObserved } from '../mutation-tracker';
 import { getAssociatedVM } from '../vm';
 import { updateComponentValue } from '../update-component-value';
diff --git a/packages/@lwc/engine-core/src/framework/def.ts b/packages/@lwc/engine-core/src/framework/def.ts
index 4262264a8d..8e7202d93f 100644
--- a/packages/@lwc/engine-core/src/framework/def.ts
+++ b/packages/@lwc/engine-core/src/framework/def.ts
@@ -19,12 +19,11 @@ import {
     defineProperties,
     freeze,
     getPrototypeOf,
-    htmlPropertyToAttribute,
     isFunction,
     isNull,
     isUndefined,
     keys,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
 
 import { RenderMode } from '../framework/vm';
 import {
@@ -49,6 +48,7 @@ import type { PropType } from './decorators/register';
 import type { LightningElementConstructor } from './base-lightning-element';
 import type { Template } from './template';
 import type { ShadowSupportMode } from '../framework/vm';
+import { htmlPropertyToAttribute } from '@lwc/shared/html-attributes';
 
 export interface ComponentDef {
     name: string;
diff --git a/packages/@lwc/engine-core/src/framework/fragment-cache.ts b/packages/@lwc/engine-core/src/framework/fragment-cache.ts
index 7cdb79d8f6..28a7c13fe0 100644
--- a/packages/@lwc/engine-core/src/framework/fragment-cache.ts
+++ b/packages/@lwc/engine-core/src/framework/fragment-cache.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { ArrayFrom } from '@lwc/shared';
+import { ArrayFrom } from '@lwc/shared/language';
 
 export const enum FragmentCacheKey {
     HAS_SCOPED_STYLE = 1,
diff --git a/packages/@lwc/engine-core/src/framework/freeze-template.ts b/packages/@lwc/engine-core/src/framework/freeze-template.ts
index d32c05f3c6..b8efe44721 100644
--- a/packages/@lwc/engine-core/src/framework/freeze-template.ts
+++ b/packages/@lwc/engine-core/src/framework/freeze-template.ts
@@ -19,13 +19,12 @@ import {
     getOwnPropertyDescriptor,
     isArray,
     isUndefined,
-    KEY__SCOPED_CSS,
-    KEY__NATIVE_ONLY_CSS,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
+import { KEY__NATIVE_ONLY_CSS, KEY__SCOPED_CSS } from '@lwc/shared/keys';
 import { logWarnOnce } from '../shared/logger';
 import { onReportingEnabled, report, ReportingEventId } from './reporting';
 import type { Template } from './template';
-import type { Stylesheet, Stylesheets } from '@lwc/shared';
+import type { Stylesheet, Stylesheets } from '@lwc/shared/style';
 
 // See @lwc/engine-core/src/framework/template.ts
 const TEMPLATE_PROPS = [
diff --git a/packages/@lwc/engine-core/src/framework/get-component-constructor.ts b/packages/@lwc/engine-core/src/framework/get-component-constructor.ts
index 46f1f737df..6c6261cd82 100644
--- a/packages/@lwc/engine-core/src/framework/get-component-constructor.ts
+++ b/packages/@lwc/engine-core/src/framework/get-component-constructor.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { isUndefined } from '@lwc/shared';
+import { isUndefined } from '@lwc/shared/language';
 import { getAssociatedVMIfPresent } from './vm';
 import type { LightningElement } from './base-lightning-element';
 
diff --git a/packages/@lwc/engine-core/src/framework/hot-swaps.ts b/packages/@lwc/engine-core/src/framework/hot-swaps.ts
index 2bd5ea00e5..c748cfedcb 100644
--- a/packages/@lwc/engine-core/src/framework/hot-swaps.ts
+++ b/packages/@lwc/engine-core/src/framework/hot-swaps.ts
@@ -5,7 +5,8 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { isFalse, isNull, isUndefined, flattenStylesheets } from '@lwc/shared';
+import { isFalse, isNull, isUndefined } from '@lwc/shared/language';
+import { flattenStylesheets, type Stylesheet, type Stylesheets } from '@lwc/shared/style';
 import { scheduleRehydration, forceRehydration } from './vm';
 import { isComponentConstructor } from './def';
 import { markComponentAsDirty } from './component';
@@ -16,7 +17,6 @@ import { WeakMultiMap } from './weak-multimap';
 import type { Template } from './template';
 import type { LightningElementConstructor } from './base-lightning-element';
 import type { VM } from './vm';
-import type { Stylesheet, Stylesheets } from '@lwc/shared';
 
 let swappedTemplateMap: WeakMap<Template, Template> = /*@__PURE__@*/ new WeakMap();
 let swappedComponentMap: WeakMap<LightningElementConstructor, LightningElementConstructor> =
diff --git a/packages/@lwc/engine-core/src/framework/html-properties.ts b/packages/@lwc/engine-core/src/framework/html-properties.ts
index 383272495b..823801bd67 100644
--- a/packages/@lwc/engine-core/src/framework/html-properties.ts
+++ b/packages/@lwc/engine-core/src/framework/html-properties.ts
@@ -4,16 +4,10 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import {
-    AriaPropNameToAttrNameMap,
-    create,
-    forEach,
-    getPropertyDescriptor,
-    isUndefined,
-    keys,
-    REFLECTIVE_GLOBAL_PROPERTY_SET,
-} from '@lwc/shared';
+import { create, forEach, getPropertyDescriptor, isUndefined, keys } from '@lwc/shared/language';
 
+import { AriaPropNameToAttrNameMap } from '@lwc/shared/aria';
+import { REFLECTIVE_GLOBAL_PROPERTY_SET } from '@lwc/shared/html-attributes';
 import { HTMLElementPrototype } from './html-element';
 
 /**
diff --git a/packages/@lwc/engine-core/src/framework/hydration-utils.ts b/packages/@lwc/engine-core/src/framework/hydration-utils.ts
index 3447c68b91..da21b3c656 100644
--- a/packages/@lwc/engine-core/src/framework/hydration-utils.ts
+++ b/packages/@lwc/engine-core/src/framework/hydration-utils.ts
@@ -4,7 +4,14 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { ArrayPush, ArrayJoin, ArraySort, ArrayFrom, isNull, isUndefined } from '@lwc/shared';
+import {
+    ArrayPush,
+    ArrayJoin,
+    ArraySort,
+    ArrayFrom,
+    isNull,
+    isUndefined,
+} from '@lwc/shared/language';
 
 import { assertNotProd } from './utils';
 
diff --git a/packages/@lwc/engine-core/src/framework/hydration.ts b/packages/@lwc/engine-core/src/framework/hydration.ts
index 4a0dfec12a..4be7591722 100644
--- a/packages/@lwc/engine-core/src/framework/hydration.ts
+++ b/packages/@lwc/engine-core/src/framework/hydration.ts
@@ -8,23 +8,23 @@ import {
     isUndefined,
     ArrayJoin,
     arrayEvery,
-    assert,
     keys,
     isNull,
     isArray,
     isTrue,
     isString,
     StringToLowerCase,
-    APIFeature,
-    isAPIFeatureEnabled,
     isFalse,
     StringSplit,
-    parseStyleText,
     ArrayFrom,
     ArrayFilter,
     ArrayMap,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
 
+import { parseStyleText } from '@lwc/shared/style';
+import * as assert from '@lwc/shared/assert';
+
+import { APIFeature, isAPIFeatureEnabled } from '@lwc/shared/api-version';
 import {
     queueHydrationError,
     flushHydrationErrors,
diff --git a/packages/@lwc/engine-core/src/framework/invoker.ts b/packages/@lwc/engine-core/src/framework/invoker.ts
index fa0877a514..1d9b9f8900 100644
--- a/packages/@lwc/engine-core/src/framework/invoker.ts
+++ b/packages/@lwc/engine-core/src/framework/invoker.ts
@@ -4,7 +4,8 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { assert, isFunction, isUndefined, noop } from '@lwc/shared';
+import { isFunction, isUndefined, noop } from '@lwc/shared/language';
+import * as assert from '@lwc/shared/assert';
 
 import { addErrorComponentStack } from '../shared/error';
 
diff --git a/packages/@lwc/engine-core/src/framework/main.ts b/packages/@lwc/engine-core/src/framework/main.ts
index fee61e3f23..e4ba2b73b8 100644
--- a/packages/@lwc/engine-core/src/framework/main.ts
+++ b/packages/@lwc/engine-core/src/framework/main.ts
@@ -38,7 +38,7 @@ export { getComponentDef, isComponentConstructor } from './def';
 export { profilerControl as __unstable__ProfilerControl } from './profiler';
 export { reportingControl as __unstable__ReportingControl } from './reporting';
 export { swapTemplate, swapComponent, swapStyle } from './hot-swaps';
-export { setHooks } from '@lwc/shared';
+export { setHooks } from '@lwc/shared/overridable-hooks';
 export { freezeTemplate } from './freeze-template';
 export { getComponentAPIVersion } from './component';
 export { shouldBeFormAssociated } from './utils';
@@ -73,5 +73,5 @@ export { default as wire } from './decorators/wire';
 export { readonly } from './readonly';
 
 export { setFeatureFlag, setFeatureFlagForTest } from '@lwc/features';
-export { setTrustedSignalSet } from '@lwc/shared';
-export type { Stylesheet, Stylesheets } from '@lwc/shared';
+export { setTrustedSignalSet } from '@lwc/shared/signals';
+export type { Stylesheet, Stylesheets } from '@lwc/shared/style';
diff --git a/packages/@lwc/engine-core/src/framework/modules/attrs.ts b/packages/@lwc/engine-core/src/framework/modules/attrs.ts
index 0041efcd52..3b48906338 100644
--- a/packages/@lwc/engine-core/src/framework/modules/attrs.ts
+++ b/packages/@lwc/engine-core/src/framework/modules/attrs.ts
@@ -4,14 +4,9 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import {
-    isNull,
-    isUndefined,
-    StringCharCodeAt,
-    XML_NAMESPACE,
-    XLINK_NAMESPACE,
-    kebabCaseToCamelCase,
-} from '@lwc/shared';
+import { isNull, isUndefined, StringCharCodeAt } from '@lwc/shared/language';
+import { kebabCaseToCamelCase } from '@lwc/shared/html-attributes';
+import { XML_NAMESPACE, XLINK_NAMESPACE } from '@lwc/shared/namespaces';
 import { EmptyObject } from '../utils';
 import { safelySetProperty } from '../sanitized-html-content';
 import type { RendererAPI } from '../renderer';
diff --git a/packages/@lwc/engine-core/src/framework/modules/computed-class-attr.ts b/packages/@lwc/engine-core/src/framework/modules/computed-class-attr.ts
index ccadde7eae..7f588fd5ae 100644
--- a/packages/@lwc/engine-core/src/framework/modules/computed-class-attr.ts
+++ b/packages/@lwc/engine-core/src/framework/modules/computed-class-attr.ts
@@ -12,7 +12,7 @@ import {
     isUndefined,
     StringCharCodeAt,
     StringSlice,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
 import { EmptyObject, SPACE_CHAR } from '../utils';
 import type { RendererAPI } from '../renderer';
 
diff --git a/packages/@lwc/engine-core/src/framework/modules/computed-style-attr.ts b/packages/@lwc/engine-core/src/framework/modules/computed-style-attr.ts
index 37b0fc9a8c..46914bc3f7 100644
--- a/packages/@lwc/engine-core/src/framework/modules/computed-style-attr.ts
+++ b/packages/@lwc/engine-core/src/framework/modules/computed-style-attr.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isNull, isString, isUndefined } from '@lwc/shared';
+import { isNull, isString, isUndefined } from '@lwc/shared/language';
 import { logError } from '../../shared/logger';
 import type { RendererAPI } from '../renderer';
 import type { VBaseElement, VStaticPartElement } from '../vnodes';
diff --git a/packages/@lwc/engine-core/src/framework/modules/events.ts b/packages/@lwc/engine-core/src/framework/modules/events.ts
index 84c35da9a8..9b19bdfe6b 100644
--- a/packages/@lwc/engine-core/src/framework/modules/events.ts
+++ b/packages/@lwc/engine-core/src/framework/modules/events.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isUndefined } from '@lwc/shared';
+import { isUndefined } from '@lwc/shared/language';
 import type { RendererAPI } from '../renderer';
 import type { VBaseElement, VStaticPartElement } from '../vnodes';
 
diff --git a/packages/@lwc/engine-core/src/framework/modules/props.ts b/packages/@lwc/engine-core/src/framework/modules/props.ts
index e9f534b5cb..6142bb5d09 100644
--- a/packages/@lwc/engine-core/src/framework/modules/props.ts
+++ b/packages/@lwc/engine-core/src/framework/modules/props.ts
@@ -4,7 +4,8 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { htmlPropertyToAttribute, isNull, isUndefined } from '@lwc/shared';
+import { isNull, isUndefined } from '@lwc/shared/language';
+import { htmlPropertyToAttribute } from '@lwc/shared/html-attributes';
 import { logWarn } from '../../shared/logger';
 import { EmptyObject } from '../utils';
 import { safelySetProperty } from '../sanitized-html-content';
diff --git a/packages/@lwc/engine-core/src/framework/modules/refs.ts b/packages/@lwc/engine-core/src/framework/modules/refs.ts
index 3c2cb98766..731d8b7a0e 100644
--- a/packages/@lwc/engine-core/src/framework/modules/refs.ts
+++ b/packages/@lwc/engine-core/src/framework/modules/refs.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isUndefined } from '@lwc/shared';
+import { isUndefined } from '@lwc/shared/language';
 import type { RefVNodes, VM } from '../vm';
 import type { VBaseElement, VStaticPartElement } from '../vnodes';
 
diff --git a/packages/@lwc/engine-core/src/framework/modules/static-class-attr.ts b/packages/@lwc/engine-core/src/framework/modules/static-class-attr.ts
index 6925f2d644..8079fa7fa6 100644
--- a/packages/@lwc/engine-core/src/framework/modules/static-class-attr.ts
+++ b/packages/@lwc/engine-core/src/framework/modules/static-class-attr.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isUndefined } from '@lwc/shared';
+import { isUndefined } from '@lwc/shared/language';
 import type { RendererAPI } from '../renderer';
 import type { VBaseElement } from '../vnodes';
 
diff --git a/packages/@lwc/engine-core/src/framework/modules/static-parts.ts b/packages/@lwc/engine-core/src/framework/modules/static-parts.ts
index 522f4f4323..a6f43ae49b 100644
--- a/packages/@lwc/engine-core/src/framework/modules/static-parts.ts
+++ b/packages/@lwc/engine-core/src/framework/modules/static-parts.ts
@@ -5,7 +5,8 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { isNull, isUndefined, assert } from '@lwc/shared';
+import { isNull, isUndefined } from '@lwc/shared/language';
+import * as assert from '@lwc/shared/assert';
 import { isVStaticPartElement, isVStaticPartText } from '../vnodes';
 import { applyEventListeners } from './events';
 import { applyRefs } from './refs';
diff --git a/packages/@lwc/engine-core/src/framework/modules/static-style-attr.ts b/packages/@lwc/engine-core/src/framework/modules/static-style-attr.ts
index cfe4adae45..d045e10b7c 100644
--- a/packages/@lwc/engine-core/src/framework/modules/static-style-attr.ts
+++ b/packages/@lwc/engine-core/src/framework/modules/static-style-attr.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isUndefined } from '@lwc/shared';
+import { isUndefined } from '@lwc/shared/language';
 import type { RendererAPI } from '../renderer';
 import type { VBaseElement } from '../vnodes';
 
diff --git a/packages/@lwc/engine-core/src/framework/modules/text.ts b/packages/@lwc/engine-core/src/framework/modules/text.ts
index 3f3b6bd773..49004477f0 100644
--- a/packages/@lwc/engine-core/src/framework/modules/text.ts
+++ b/packages/@lwc/engine-core/src/framework/modules/text.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isNull } from '@lwc/shared';
+import { isNull } from '@lwc/shared/language';
 import { lockDomMutation, unlockDomMutation } from '../restrictions';
 import type { RendererAPI } from '../renderer';
 import type { VComment, VStaticPartText, VText } from '../vnodes';
diff --git a/packages/@lwc/engine-core/src/framework/mutation-logger.ts b/packages/@lwc/engine-core/src/framework/mutation-logger.ts
index 1482b0a87e..eda41d29d6 100644
--- a/packages/@lwc/engine-core/src/framework/mutation-logger.ts
+++ b/packages/@lwc/engine-core/src/framework/mutation-logger.ts
@@ -18,7 +18,7 @@ import {
     getOwnPropertyNames,
     getOwnPropertySymbols,
     isString,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
 import { assertNotProd } from './utils';
 import type { ReactiveObserver } from '../libs/mutation-tracker';
 import type { VM } from './vm';
diff --git a/packages/@lwc/engine-core/src/framework/mutation-tracker.ts b/packages/@lwc/engine-core/src/framework/mutation-tracker.ts
index d179ea9d88..9d4d588d6f 100644
--- a/packages/@lwc/engine-core/src/framework/mutation-tracker.ts
+++ b/packages/@lwc/engine-core/src/framework/mutation-tracker.ts
@@ -4,7 +4,9 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isFunction, isNull, isObject, isTrustedSignal } from '@lwc/shared';
+import { isFunction, isNull, isObject } from '@lwc/shared/language';
+import { isTrustedSignal } from '@lwc/shared/signals';
+
 import { ReactiveObserver, valueMutated, valueObserved } from '../libs/mutation-tracker';
 import { subscribeToSignal } from '../libs/signal-tracker';
 import { safeHasProp } from './utils';
diff --git a/packages/@lwc/engine-core/src/framework/profiler.ts b/packages/@lwc/engine-core/src/framework/profiler.ts
index 1f07e597e8..89fe3fa6b2 100644
--- a/packages/@lwc/engine-core/src/framework/profiler.ts
+++ b/packages/@lwc/engine-core/src/framework/profiler.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { ArrayJoin, ArrayMap, ArrayPush, ArraySort, isUndefined, noop } from '@lwc/shared';
+import { ArrayJoin, ArrayMap, ArrayPush, ArraySort, isUndefined, noop } from '@lwc/shared/language';
 
 import { getComponentTag } from '../shared/format';
 import { RenderMode, ShadowMode } from './vm';
diff --git a/packages/@lwc/engine-core/src/framework/rendering.ts b/packages/@lwc/engine-core/src/framework/rendering.ts
index e7f11b9497..3544dc0059 100644
--- a/packages/@lwc/engine-core/src/framework/rendering.ts
+++ b/packages/@lwc/engine-core/src/framework/rendering.ts
@@ -8,19 +8,18 @@ import {
     ArrayPop,
     ArrayPush,
     ArraySome,
-    assert,
     create,
     isArray,
     isFalse,
     isNull,
     isTrue,
     isUndefined,
-    KEY__SHADOW_RESOLVER,
-    KEY__SHADOW_STATIC,
     keys,
-    SVG_NAMESPACE,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
+import * as assert from '@lwc/shared/assert';
 
+import { KEY__SHADOW_RESOLVER, KEY__SHADOW_STATIC } from '@lwc/shared/keys';
+import { SVG_NAMESPACE } from '@lwc/shared/namespaces';
 import { logError } from '../shared/logger';
 import { getComponentTag } from '../shared/format';
 import { EmptyArray, shouldBeFormAssociated } from './utils';
diff --git a/packages/@lwc/engine-core/src/framework/reporting.ts b/packages/@lwc/engine-core/src/framework/reporting.ts
index 35423756d7..503250addf 100644
--- a/packages/@lwc/engine-core/src/framework/reporting.ts
+++ b/packages/@lwc/engine-core/src/framework/reporting.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { noop } from '@lwc/shared';
+import { noop } from '@lwc/shared/language';
 
 import type { RenderMode, ShadowMode, ShadowSupportMode } from './vm';
 
diff --git a/packages/@lwc/engine-core/src/framework/restrictions.ts b/packages/@lwc/engine-core/src/framework/restrictions.ts
index 6a3f750771..4999475efd 100644
--- a/packages/@lwc/engine-core/src/framework/restrictions.ts
+++ b/packages/@lwc/engine-core/src/framework/restrictions.ts
@@ -13,7 +13,7 @@ import {
     getPrototypeOf,
     isUndefined,
     setPrototypeOf,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
 
 import { logError, logWarn } from '../shared/logger';
 
diff --git a/packages/@lwc/engine-core/src/framework/runtime-instrumentation.ts b/packages/@lwc/engine-core/src/framework/runtime-instrumentation.ts
index 3928460d67..57ce2758d5 100644
--- a/packages/@lwc/engine-core/src/framework/runtime-instrumentation.ts
+++ b/packages/@lwc/engine-core/src/framework/runtime-instrumentation.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { noop } from '@lwc/shared';
+import { noop } from '@lwc/shared/language';
 
 export const instrumentDef = (globalThis as any).__lwc_instrument_cmp_def ?? noop;
 export const instrumentInstance = (globalThis as any).__lwc_instrument_cmp_instance ?? noop;
diff --git a/packages/@lwc/engine-core/src/framework/sanitized-html-content.ts b/packages/@lwc/engine-core/src/framework/sanitized-html-content.ts
index c432542e58..9c47d5f5ae 100644
--- a/packages/@lwc/engine-core/src/framework/sanitized-html-content.ts
+++ b/packages/@lwc/engine-core/src/framework/sanitized-html-content.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { create as ObjectCreate, isNull, isObject, isUndefined } from '@lwc/shared';
+import { create as ObjectCreate, isNull, isObject, isUndefined } from '@lwc/shared/language';
 import { logWarn } from '../shared/logger';
 import type { RendererAPI } from './renderer';
 
diff --git a/packages/@lwc/engine-core/src/framework/stylesheet.ts b/packages/@lwc/engine-core/src/framework/stylesheet.ts
index 1f65b40591..87789bb3f5 100644
--- a/packages/@lwc/engine-core/src/framework/stylesheet.ts
+++ b/packages/@lwc/engine-core/src/framework/stylesheet.ts
@@ -4,16 +4,8 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import {
-    ArrayMap,
-    ArrayPush,
-    isArray,
-    isNull,
-    isTrue,
-    isUndefined,
-    KEY__NATIVE_ONLY_CSS,
-    KEY__SCOPED_CSS,
-} from '@lwc/shared';
+import { ArrayMap, ArrayPush, isArray, isNull, isTrue, isUndefined } from '@lwc/shared/language';
+import { KEY__NATIVE_ONLY_CSS, KEY__SCOPED_CSS } from '@lwc/shared/keys';
 
 import { logError } from '../shared/logger';
 
@@ -27,7 +19,7 @@ import { assertNotProd, EmptyArray } from './utils';
 import type { VCustomElement, VNode } from './vnodes';
 import type { Template } from './template';
 import type { VM } from './vm';
-import type { Stylesheet, Stylesheets } from '@lwc/shared';
+import type { Stylesheet, Stylesheets } from '@lwc/shared/style';
 
 // These are only used for HMR in dev mode
 // The "pure" annotations are so that Rollup knows for sure it can remove these from prod mode
diff --git a/packages/@lwc/engine-core/src/framework/template.ts b/packages/@lwc/engine-core/src/framework/template.ts
index 1b2ecc9d76..304dd2c577 100644
--- a/packages/@lwc/engine-core/src/framework/template.ts
+++ b/packages/@lwc/engine-core/src/framework/template.ts
@@ -5,20 +5,20 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 import {
-    assert,
     create,
-    htmlEscape,
     isArray,
     isNull,
     isString,
     isTrue,
     isUndefined,
-    KEY__SCOPED_CSS,
     keys,
     StringCharAt,
-    STATIC_PART_TOKEN_ID,
     toString,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
+import * as assert from '@lwc/shared/assert';
+import { htmlEscape } from '@lwc/shared/html-escape';
+import { STATIC_PART_TOKEN_ID } from '@lwc/shared/static-part-tokens';
+import { KEY__SCOPED_CSS } from '@lwc/shared/keys';
 
 import { logError } from '../shared/logger';
 import { getComponentTag } from '../shared/format';
@@ -36,7 +36,7 @@ import type { RendererAPI } from './renderer';
 import type { VNodes, VStaticPart, VStaticPartElement, VStaticPartText } from './vnodes';
 import type { SlotSet, TemplateCache, VM } from './vm';
 import type { RenderAPI } from './api';
-import type { Stylesheets } from '@lwc/shared';
+import type { Stylesheets } from '@lwc/shared/style';
 
 export interface Template {
     (api: RenderAPI, cmp: object, slotSet: SlotSet, cache: TemplateCache): VNodes;
diff --git a/packages/@lwc/engine-core/src/framework/utils.ts b/packages/@lwc/engine-core/src/framework/utils.ts
index 2bc586e4fd..c4e033dac2 100644
--- a/packages/@lwc/engine-core/src/framework/utils.ts
+++ b/packages/@lwc/engine-core/src/framework/utils.ts
@@ -4,15 +4,8 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import {
-    ArrayPush,
-    create,
-    isFunction,
-    keys,
-    seal,
-    isAPIFeatureEnabled,
-    APIFeature,
-} from '@lwc/shared';
+import { ArrayPush, create, isFunction, keys, seal } from '@lwc/shared/language';
+import { isAPIFeatureEnabled, APIFeature } from '@lwc/shared/api-version';
 import { logWarnOnce } from '../shared/logger';
 import { getComponentAPIVersion, getComponentRegisteredName } from './component';
 import type { LightningElementConstructor } from './base-lightning-element';
diff --git a/packages/@lwc/engine-core/src/framework/vm.ts b/packages/@lwc/engine-core/src/framework/vm.ts
index a309c71c91..2017234b2b 100644
--- a/packages/@lwc/engine-core/src/framework/vm.ts
+++ b/packages/@lwc/engine-core/src/framework/vm.ts
@@ -8,7 +8,6 @@ import {
     ArrayPush,
     ArraySlice,
     ArrayUnshift,
-    assert,
     create,
     defineProperty,
     getOwnPropertyNames,
@@ -19,8 +18,9 @@ import {
     isObject,
     isTrue,
     isUndefined,
-    flattenStylesheets,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
+import * as assert from '@lwc/shared/assert';
+import { flattenStylesheets } from '@lwc/shared/style';
 
 import { addErrorComponentStack } from '../shared/error';
 import { logError, logWarnOnce } from '../shared/logger';
@@ -59,7 +59,8 @@ import type {
 import type { ComponentDef } from './def';
 import type { Template } from './template';
 import type { HostNode, HostElement, RendererAPI } from './renderer';
-import type { Stylesheet, Stylesheets, APIVersion } from '@lwc/shared';
+import type { Stylesheet, Stylesheets } from '@lwc/shared/style';
+import type { APIVersion } from '@lwc/shared/api-version';
 
 type ShadowRootMode = 'open' | 'closed';
 
diff --git a/packages/@lwc/engine-core/src/framework/weak-multimap.ts b/packages/@lwc/engine-core/src/framework/weak-multimap.ts
index 0044be5921..ae05ae2c04 100644
--- a/packages/@lwc/engine-core/src/framework/weak-multimap.ts
+++ b/packages/@lwc/engine-core/src/framework/weak-multimap.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { ArrayPush, ArraySplice, isUndefined } from '@lwc/shared';
+import { ArrayPush, ArraySplice, isUndefined } from '@lwc/shared/language';
 
 const supportsWeakRefs =
     typeof WeakRef === 'function' && typeof FinalizationRegistry === 'function';
diff --git a/packages/@lwc/engine-core/src/framework/wiring/context.ts b/packages/@lwc/engine-core/src/framework/wiring/context.ts
index 6e7c6d690a..9ffaf94922 100644
--- a/packages/@lwc/engine-core/src/framework/wiring/context.ts
+++ b/packages/@lwc/engine-core/src/framework/wiring/context.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isUndefined, ArrayPush } from '@lwc/shared';
+import { isUndefined, ArrayPush } from '@lwc/shared/language';
 import { guid } from '../utils';
 import type { VM } from '../vm';
 import type {
diff --git a/packages/@lwc/engine-core/src/framework/wiring/wiring.ts b/packages/@lwc/engine-core/src/framework/wiring/wiring.ts
index 04020b33e3..de6792c4f7 100644
--- a/packages/@lwc/engine-core/src/framework/wiring/wiring.ts
+++ b/packages/@lwc/engine-core/src/framework/wiring/wiring.ts
@@ -5,7 +5,8 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { assert, create, isUndefined, ArrayPush, defineProperty, noop } from '@lwc/shared';
+import { create, isUndefined, ArrayPush, defineProperty, noop } from '@lwc/shared/language';
+import * as assert from '@lwc/shared/assert';
 import { associateReactiveObserverWithVM } from '../mutation-logger';
 import { createReactiveObserver } from '../mutation-tracker';
 import { runWithBoundaryProtection, VMState, getAssociatedVM } from '../vm';
diff --git a/packages/@lwc/engine-core/src/libs/mutation-tracker/index.ts b/packages/@lwc/engine-core/src/libs/mutation-tracker/index.ts
index 2e15c92e5d..7ad412400c 100644
--- a/packages/@lwc/engine-core/src/libs/mutation-tracker/index.ts
+++ b/packages/@lwc/engine-core/src/libs/mutation-tracker/index.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { create, isUndefined, ArrayIndexOf, ArrayPush, ArrayPop } from '@lwc/shared';
+import { create, isUndefined, ArrayIndexOf, ArrayPush, ArrayPop } from '@lwc/shared/language';
 import { logMutation } from '../../framework/mutation-logger';
 
 const TargetToReactiveRecordMap: WeakMap<object, ReactiveRecord> = new WeakMap();
diff --git a/packages/@lwc/engine-core/src/libs/reflection/aria-reflection.ts b/packages/@lwc/engine-core/src/libs/reflection/aria-reflection.ts
index e524825c1b..39a4847834 100644
--- a/packages/@lwc/engine-core/src/libs/reflection/aria-reflection.ts
+++ b/packages/@lwc/engine-core/src/libs/reflection/aria-reflection.ts
@@ -4,14 +4,8 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import {
-    AriaPropNameToAttrNameMap,
-    isNull,
-    isUndefined,
-    create,
-    getPropertyDescriptor,
-    entries,
-} from '@lwc/shared';
+import { isNull, isUndefined, create, getPropertyDescriptor, entries } from '@lwc/shared/language';
+import { AriaPropNameToAttrNameMap } from '@lwc/shared/aria';
 import { HTMLElementPrototype } from '../../framework/html-element';
 
 // Apply ARIA string reflection behavior to a prototype.
diff --git a/packages/@lwc/engine-core/src/libs/reflection/attr-reflection.ts b/packages/@lwc/engine-core/src/libs/reflection/attr-reflection.ts
index e2856a14a2..a063adf9f9 100644
--- a/packages/@lwc/engine-core/src/libs/reflection/attr-reflection.ts
+++ b/packages/@lwc/engine-core/src/libs/reflection/attr-reflection.ts
@@ -5,7 +5,8 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { entries, isNull, toString, AriaAttrNameToPropNameMap } from '@lwc/shared';
+import { entries, isNull, toString } from '@lwc/shared/language';
+import { AriaAttrNameToPropNameMap } from '@lwc/shared/aria';
 import type { LightningElement } from '../../framework/base-lightning-element';
 
 /**
diff --git a/packages/@lwc/engine-core/src/libs/signal-tracker/index.ts b/packages/@lwc/engine-core/src/libs/signal-tracker/index.ts
index 4a6d04745b..363d329c7e 100644
--- a/packages/@lwc/engine-core/src/libs/signal-tracker/index.ts
+++ b/packages/@lwc/engine-core/src/libs/signal-tracker/index.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isFalse, isFunction, isUndefined } from '@lwc/shared';
+import { isFalse, isFunction, isUndefined } from '@lwc/shared/language';
 import { logWarnOnce } from '../../shared/logger';
 import type { Signal } from '@lwc/signals';
 
diff --git a/packages/@lwc/engine-core/src/patches/detect-non-standard-aria.ts b/packages/@lwc/engine-core/src/patches/detect-non-standard-aria.ts
index 96470f3e8d..64db83a92f 100644
--- a/packages/@lwc/engine-core/src/patches/detect-non-standard-aria.ts
+++ b/packages/@lwc/engine-core/src/patches/detect-non-standard-aria.ts
@@ -5,7 +5,12 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { defineProperty, getOwnPropertyDescriptor, isNull, isUndefined } from '@lwc/shared';
+import {
+    defineProperty,
+    getOwnPropertyDescriptor,
+    isNull,
+    isUndefined,
+} from '@lwc/shared/language';
 import { onReportingEnabled, report, ReportingEventId } from '../framework/reporting';
 import { logWarnOnce } from '../shared/logger';
 import { getAssociatedVMIfPresent } from '../framework/vm';
diff --git a/packages/@lwc/engine-core/src/patches/detect-synthetic-cross-root-aria.ts b/packages/@lwc/engine-core/src/patches/detect-synthetic-cross-root-aria.ts
index 62201b1ef2..8924b8d4a2 100644
--- a/packages/@lwc/engine-core/src/patches/detect-synthetic-cross-root-aria.ts
+++ b/packages/@lwc/engine-core/src/patches/detect-synthetic-cross-root-aria.ts
@@ -7,20 +7,22 @@
 import {
     assign,
     isTrue,
-    KEY__NATIVE_GET_ELEMENT_BY_ID,
-    KEY__NATIVE_QUERY_SELECTOR_ALL,
     isNull,
     isUndefined,
     getOwnPropertyDescriptor,
     defineProperty,
-    ID_REFERENCING_ATTRIBUTES_SET,
     isString,
     isFunction,
     StringSplit,
     ArrayFilter,
     hasOwnProperty,
+} from '@lwc/shared/language';
+import {
+    KEY__NATIVE_GET_ELEMENT_BY_ID,
+    KEY__NATIVE_QUERY_SELECTOR_ALL,
     KEY__SHADOW_TOKEN,
-} from '@lwc/shared';
+} from '@lwc/shared/keys';
+import { ID_REFERENCING_ATTRIBUTES_SET } from '@lwc/shared/aria';
 import { onReportingEnabled, report, ReportingEventId } from '../framework/reporting';
 import { getAssociatedVMIfPresent } from '../framework/vm';
 import { logWarnOnce } from '../shared/logger';
diff --git a/packages/@lwc/engine-core/src/shared/circular-module-dependencies.ts b/packages/@lwc/engine-core/src/shared/circular-module-dependencies.ts
index 5848a488d1..cbfd7ba32a 100644
--- a/packages/@lwc/engine-core/src/shared/circular-module-dependencies.ts
+++ b/packages/@lwc/engine-core/src/shared/circular-module-dependencies.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { isFunction, hasOwnProperty } from '@lwc/shared';
+import { isFunction, hasOwnProperty } from '@lwc/shared/language';
 
 interface MaybeModule {
     __esModule?: boolean;
diff --git a/packages/@lwc/engine-core/src/shared/error.ts b/packages/@lwc/engine-core/src/shared/error.ts
index 618aee7ab2..7c105025f7 100644
--- a/packages/@lwc/engine-core/src/shared/error.ts
+++ b/packages/@lwc/engine-core/src/shared/error.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { defineProperty, isFrozen, isUndefined } from '@lwc/shared';
+import { defineProperty, isFrozen, isUndefined } from '@lwc/shared/language';
 
 import { getErrorComponentStack } from './format';
 import type { VM } from '../framework/vm';
diff --git a/packages/@lwc/engine-core/src/shared/format.ts b/packages/@lwc/engine-core/src/shared/format.ts
index daef8b604a..9825859d59 100644
--- a/packages/@lwc/engine-core/src/shared/format.ts
+++ b/packages/@lwc/engine-core/src/shared/format.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isNull, ArrayJoin, ArrayPush, StringToLowerCase } from '@lwc/shared';
+import { isNull, ArrayJoin, ArrayPush, StringToLowerCase } from '@lwc/shared/language';
 
 import type { VM } from '../framework/vm';
 
diff --git a/packages/@lwc/engine-core/src/shared/logger.ts b/packages/@lwc/engine-core/src/shared/logger.ts
index 75cbda3f67..a2bc9736e2 100644
--- a/packages/@lwc/engine-core/src/shared/logger.ts
+++ b/packages/@lwc/engine-core/src/shared/logger.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isUndefined } from '@lwc/shared';
+import { isUndefined } from '@lwc/shared/language';
 
 import { getComponentStack } from './format';
 import type { VM } from '../framework/vm';
diff --git a/packages/@lwc/engine-dom/src/apis/build-custom-element-constructor.ts b/packages/@lwc/engine-dom/src/apis/build-custom-element-constructor.ts
index 69bd97842b..56031ec4fe 100644
--- a/packages/@lwc/engine-dom/src/apis/build-custom-element-constructor.ts
+++ b/packages/@lwc/engine-dom/src/apis/build-custom-element-constructor.ts
@@ -19,7 +19,7 @@ import {
     runFormStateRestoreCallback,
     BaseBridgeElement,
 } from '@lwc/engine-core';
-import { isNull } from '@lwc/shared';
+import { isNull } from '@lwc/shared/language';
 import { renderer } from '../renderer';
 import type { LightningElement, FormRestoreState, FormRestoreReason } from '@lwc/engine-core';
 
diff --git a/packages/@lwc/engine-dom/src/apis/create-element.ts b/packages/@lwc/engine-dom/src/apis/create-element.ts
index 2dac8fa7e6..3c703dd9a9 100644
--- a/packages/@lwc/engine-dom/src/apis/create-element.ts
+++ b/packages/@lwc/engine-dom/src/apis/create-element.ts
@@ -5,7 +5,6 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 import {
-    assert,
     assign,
     isFunction,
     isNull,
@@ -13,7 +12,8 @@ import {
     isUndefined,
     toString,
     StringToLowerCase,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
+import * as assert from '@lwc/shared/assert';
 import {
     createVM,
     connectRootElement,
diff --git a/packages/@lwc/engine-dom/src/apis/hydrate-component.ts b/packages/@lwc/engine-dom/src/apis/hydrate-component.ts
index 99c7d3f749..2efaa4e773 100644
--- a/packages/@lwc/engine-dom/src/apis/hydrate-component.ts
+++ b/packages/@lwc/engine-dom/src/apis/hydrate-component.ts
@@ -12,7 +12,7 @@ import {
     getAssociatedVMIfPresent,
     shouldBeFormAssociated,
 } from '@lwc/engine-core';
-import { StringToLowerCase, isFunction, isNull, isObject } from '@lwc/shared';
+import { StringToLowerCase, isFunction, isNull, isObject } from '@lwc/shared/language';
 import { renderer } from '../renderer';
 import type { LightningElement } from '@lwc/engine-core';
 
diff --git a/packages/@lwc/engine-dom/src/apis/is-node-from-template.ts b/packages/@lwc/engine-dom/src/apis/is-node-from-template.ts
index fdeb85ebd9..c46054fbd2 100644
--- a/packages/@lwc/engine-dom/src/apis/is-node-from-template.ts
+++ b/packages/@lwc/engine-dom/src/apis/is-node-from-template.ts
@@ -5,13 +5,8 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import {
-    getPrototypeOf,
-    hasOwnProperty,
-    isFalse,
-    isUndefined,
-    KEY__SHADOW_RESOLVER,
-} from '@lwc/shared';
+import { getPrototypeOf, hasOwnProperty, isFalse, isUndefined } from '@lwc/shared/language';
+import { KEY__SHADOW_RESOLVER } from '@lwc/shared/keys';
 import { renderer } from '../renderer';
 
 // TODO [#2472]: Remove this workaround when appropriate.
diff --git a/packages/@lwc/engine-dom/src/apis/lightning-element.ts b/packages/@lwc/engine-dom/src/apis/lightning-element.ts
index e4b73f2128..e3ffc595f3 100644
--- a/packages/@lwc/engine-dom/src/apis/lightning-element.ts
+++ b/packages/@lwc/engine-dom/src/apis/lightning-element.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { defineProperty, freeze, isUndefined, seal } from '@lwc/shared';
+import { defineProperty, freeze, isUndefined, seal } from '@lwc/shared/language';
 import { LightningElement } from '@lwc/engine-core';
 
 import { buildCustomElementConstructor } from './build-custom-element-constructor';
diff --git a/packages/@lwc/engine-dom/src/custom-elements/create-custom-element.ts b/packages/@lwc/engine-dom/src/custom-elements/create-custom-element.ts
index 5819ca14cd..a8987e1ebd 100644
--- a/packages/@lwc/engine-dom/src/custom-elements/create-custom-element.ts
+++ b/packages/@lwc/engine-dom/src/custom-elements/create-custom-element.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isUndefined, isTrue } from '@lwc/shared';
+import { isUndefined, isTrue } from '@lwc/shared/language';
 import {
     connectRootElement,
     disconnectRootElement,
diff --git a/packages/@lwc/engine-dom/src/formatters/__tests__/component.spec.ts b/packages/@lwc/engine-dom/src/formatters/__tests__/component.spec.ts
index 975a17c77d..6e27d86873 100644
--- a/packages/@lwc/engine-dom/src/formatters/__tests__/component.spec.ts
+++ b/packages/@lwc/engine-dom/src/formatters/__tests__/component.spec.ts
@@ -12,7 +12,7 @@ import {
     registerTemplate,
     registerDecorators,
 } from '@lwc/engine-dom';
-import { LOWEST_API_VERSION } from '@lwc/shared';
+import { LOWEST_API_VERSION } from '@lwc/shared/api-version';
 
 // it needs to be imported from the window, otherwise the checks for associated vms is done against "@lwc/engine-core"
 const LightningElementFormatter = (globalThis as any)['devtoolsFormatters'].find((f: any) => {
diff --git a/packages/@lwc/engine-dom/src/formatters/component.ts b/packages/@lwc/engine-dom/src/formatters/component.ts
index cb0d14decd..92edd8c503 100644
--- a/packages/@lwc/engine-dom/src/formatters/component.ts
+++ b/packages/@lwc/engine-dom/src/formatters/component.ts
@@ -6,7 +6,7 @@
  */
 
 import { getAssociatedVMIfPresent } from '@lwc/engine-core';
-import { isUndefined, keys } from '@lwc/shared';
+import { isUndefined, keys } from '@lwc/shared/language';
 import type { LightningElement } from '@lwc/engine-core';
 
 /**
diff --git a/packages/@lwc/engine-dom/src/formatters/index.ts b/packages/@lwc/engine-dom/src/formatters/index.ts
index 26825ab299..161561c629 100644
--- a/packages/@lwc/engine-dom/src/formatters/index.ts
+++ b/packages/@lwc/engine-dom/src/formatters/index.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { ArrayPush } from '@lwc/shared';
+import { ArrayPush } from '@lwc/shared/language';
 import { LightningElementFormatter } from './component';
 
 function init() {
diff --git a/packages/@lwc/engine-dom/src/language.ts b/packages/@lwc/engine-dom/src/language.ts
index 7dad880067..647698234f 100644
--- a/packages/@lwc/engine-dom/src/language.ts
+++ b/packages/@lwc/engine-dom/src/language.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { getOwnPropertyDescriptors } from '@lwc/shared';
+import { getOwnPropertyDescriptors } from '@lwc/shared/language';
 
 // Like @lwc/shared, but for DOM APIs
 
diff --git a/packages/@lwc/engine-dom/src/renderer.ts b/packages/@lwc/engine-dom/src/renderer.ts
index cfdd8c9eae..5890024268 100644
--- a/packages/@lwc/engine-dom/src/renderer.ts
+++ b/packages/@lwc/engine-dom/src/renderer.ts
@@ -5,7 +5,8 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { assign, hasOwnProperty, KEY__SHADOW_TOKEN, noop } from '@lwc/shared';
+import { assign, hasOwnProperty, noop } from '@lwc/shared/language';
+import { KEY__SHADOW_TOKEN } from '@lwc/shared/keys';
 import { insertStylesheet } from './styles';
 import {
     createCustomElement,
diff --git a/packages/@lwc/engine-dom/src/renderer/index.ts b/packages/@lwc/engine-dom/src/renderer/index.ts
index 10558f98c9..8e95e1578b 100644
--- a/packages/@lwc/engine-dom/src/renderer/index.ts
+++ b/packages/@lwc/engine-dom/src/renderer/index.ts
@@ -5,7 +5,8 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { assert, isNull, isUndefined } from '@lwc/shared';
+import { isNull, isUndefined } from '@lwc/shared/language';
+import * as assert from '@lwc/shared/assert';
 import { ElementAttachShadow, ElementShadowRootGetter } from '../language';
 
 function cloneNode(node: Node, deep: boolean): Node {
diff --git a/packages/@lwc/engine-dom/src/styles.ts b/packages/@lwc/engine-dom/src/styles.ts
index a050830d61..c3cf1ac10c 100644
--- a/packages/@lwc/engine-dom/src/styles.ts
+++ b/packages/@lwc/engine-dom/src/styles.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { isUndefined, isArray, isFunction } from '@lwc/shared';
+import { isUndefined, isArray, isFunction } from '@lwc/shared/language';
 
 //
 // Feature detection
diff --git a/packages/@lwc/engine-server/src/apis/lightning-element.ts b/packages/@lwc/engine-server/src/apis/lightning-element.ts
index 9124da4a80..cd932677df 100644
--- a/packages/@lwc/engine-server/src/apis/lightning-element.ts
+++ b/packages/@lwc/engine-server/src/apis/lightning-element.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { freeze, seal } from '@lwc/shared';
+import { freeze, seal } from '@lwc/shared/language';
 import { LightningElement } from '@lwc/engine-core';
 
 freeze(LightningElement);
diff --git a/packages/@lwc/engine-server/src/apis/render-component.ts b/packages/@lwc/engine-server/src/apis/render-component.ts
index 183b25e258..33be4deac7 100644
--- a/packages/@lwc/engine-server/src/apis/render-component.ts
+++ b/packages/@lwc/engine-server/src/apis/render-component.ts
@@ -5,7 +5,8 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 import { createVM, connectRootElement } from '@lwc/engine-core';
-import { isString, isFunction, isObject, isNull, HTML_NAMESPACE } from '@lwc/shared';
+import { isString, isFunction, isObject, isNull } from '@lwc/shared/language';
+import { HTML_NAMESPACE } from '@lwc/shared/namespaces';
 
 import { renderer } from '../renderer';
 import { serializeElement } from '../serializer';
diff --git a/packages/@lwc/engine-server/src/context.ts b/packages/@lwc/engine-server/src/context.ts
index ada99f110d..be414bbe3c 100644
--- a/packages/@lwc/engine-server/src/context.ts
+++ b/packages/@lwc/engine-server/src/context.ts
@@ -6,7 +6,7 @@
  */
 
 import { createContextProviderWithRegister, getAssociatedVMIfPresent } from '@lwc/engine-core';
-import { isUndefined, isNull } from '@lwc/shared';
+import { isUndefined, isNull } from '@lwc/shared/language';
 import {
     HostNodeType,
     HostTypeKey,
diff --git a/packages/@lwc/engine-server/src/polyfills.ts b/packages/@lwc/engine-server/src/polyfills.ts
index bf09821e32..0705a0b2cb 100644
--- a/packages/@lwc/engine-server/src/polyfills.ts
+++ b/packages/@lwc/engine-server/src/polyfills.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { defineProperty } from '@lwc/shared';
+import { defineProperty } from '@lwc/shared/language';
 
 /**
  * The following constructor might be used in either the constructor or the connectedCallback. In
diff --git a/packages/@lwc/engine-server/src/renderer.ts b/packages/@lwc/engine-server/src/renderer.ts
index 39dd4474a0..59b9066e48 100644
--- a/packages/@lwc/engine-server/src/renderer.ts
+++ b/packages/@lwc/engine-server/src/renderer.ts
@@ -4,18 +4,16 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
+import { isFunction, isNull, isUndefined, noop, StringToLowerCase } from '@lwc/shared/language';
+
+import { HTML_NAMESPACE } from '@lwc/shared/namespaces';
+
 import {
-    HTML_NAMESPACE,
     htmlPropertyToAttribute,
-    isAriaAttribute,
     isBooleanAttribute,
-    isFunction,
-    isNull,
-    isUndefined,
-    noop,
     REFLECTIVE_GLOBAL_PROPERTY_SET,
-    StringToLowerCase,
-} from '@lwc/shared';
+} from '@lwc/shared/html-attributes';
+import { isAriaAttribute } from '@lwc/shared/aria';
 
 import {
     HostNodeType,
diff --git a/packages/@lwc/engine-server/src/serializer.ts b/packages/@lwc/engine-server/src/serializer.ts
index 91dc6df9d4..d88fef411a 100644
--- a/packages/@lwc/engine-server/src/serializer.ts
+++ b/packages/@lwc/engine-server/src/serializer.ts
@@ -5,7 +5,9 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { htmlEscape, HTML_NAMESPACE, isVoidElement } from '@lwc/shared';
+import { htmlEscape } from '@lwc/shared/html-escape';
+import { HTML_NAMESPACE } from '@lwc/shared/namespaces';
+import { isVoidElement } from '@lwc/shared/void-elements';
 
 import {
     HostNodeType,
diff --git a/packages/@lwc/errors/src/__tests__/errors.spec.ts b/packages/@lwc/errors/src/__tests__/errors.spec.ts
index 7d77967dd5..1ca9c811da 100644
--- a/packages/@lwc/errors/src/__tests__/errors.spec.ts
+++ b/packages/@lwc/errors/src/__tests__/errors.spec.ts
@@ -7,7 +7,7 @@
 import path from 'node:path';
 import fs from 'node:fs';
 import { describe, it, expect } from 'vitest';
-import { hasOwnProperty } from '@lwc/shared';
+import { hasOwnProperty } from '@lwc/shared/language';
 import * as CompilerErrors from '../compiler/error-info';
 import type { LWCErrorInfo } from '../shared/types';
 
diff --git a/packages/@lwc/features/src/index.ts b/packages/@lwc/features/src/index.ts
index d85e8276ca..e8056ee53a 100644
--- a/packages/@lwc/features/src/index.ts
+++ b/packages/@lwc/features/src/index.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { create, defineProperty, isUndefined, isBoolean } from '@lwc/shared';
+import { create, defineProperty, isUndefined, isBoolean } from '@lwc/shared/language';
 import type { FeatureFlagMap, FeatureFlagName, FeatureFlagValue } from './types';
 
 // When deprecating a feature flag, ensure that it is also no longer set in the application. For
diff --git a/packages/@lwc/integration-karma/scripts/karma-plugins/env.js b/packages/@lwc/integration-karma/scripts/karma-plugins/env.js
index fdef6900d6..d78e65f26d 100644
--- a/packages/@lwc/integration-karma/scripts/karma-plugins/env.js
+++ b/packages/@lwc/integration-karma/scripts/karma-plugins/env.js
@@ -14,7 +14,7 @@
 
 const fs = require('fs');
 const path = require('path');
-const { LWC_VERSION } = require('@lwc/shared');
+const { LWC_VERSION } = require('@lwc/shared/meta');
 const {
     FORCE_NATIVE_SHADOW_MODE_FOR_TEST,
     ENABLE_ARIA_REFLECTION_GLOBAL_POLYFILL,
diff --git a/packages/@lwc/integration-karma/scripts/shared/options.js b/packages/@lwc/integration-karma/scripts/shared/options.js
index 22d47c3e47..82693dc8ce 100644
--- a/packages/@lwc/integration-karma/scripts/shared/options.js
+++ b/packages/@lwc/integration-karma/scripts/shared/options.js
@@ -7,7 +7,7 @@
 
 'use strict';
 
-const { HIGHEST_API_VERSION } = require('@lwc/shared');
+const { HIGHEST_API_VERSION } = require('@lwc/shared/api-version');
 
 // Helpful error. Remove after a few months.
 if (process.env.NATIVE_SHADOW) {
diff --git a/packages/@lwc/rollup-plugin/src/__tests__/apiVersion/apiVersion.spec.ts b/packages/@lwc/rollup-plugin/src/__tests__/apiVersion/apiVersion.spec.ts
index f6e788d3a4..f60b4fac04 100644
--- a/packages/@lwc/rollup-plugin/src/__tests__/apiVersion/apiVersion.spec.ts
+++ b/packages/@lwc/rollup-plugin/src/__tests__/apiVersion/apiVersion.spec.ts
@@ -7,7 +7,7 @@
 import path from 'node:path';
 import { describe, it, expect } from 'vitest';
 import { rollup } from 'rollup';
-import { APIVersion, HIGHEST_API_VERSION, LOWEST_API_VERSION } from '@lwc/shared';
+import { APIVersion, HIGHEST_API_VERSION, LOWEST_API_VERSION } from '@lwc/shared/api-version';
 
 import lwc from '../../index';
 import type { RollupLwcOptions } from '../../index';
diff --git a/packages/@lwc/rollup-plugin/src/__tests__/warnings/warnings.spec.ts b/packages/@lwc/rollup-plugin/src/__tests__/warnings/warnings.spec.ts
index 1497c6af79..ace1ee86a1 100644
--- a/packages/@lwc/rollup-plugin/src/__tests__/warnings/warnings.spec.ts
+++ b/packages/@lwc/rollup-plugin/src/__tests__/warnings/warnings.spec.ts
@@ -7,7 +7,7 @@
 import path from 'node:path';
 import { describe, it, expect } from 'vitest';
 import { rollup } from 'rollup';
-import { APIVersion } from '@lwc/shared';
+import { APIVersion } from '@lwc/shared/api-version';
 import lwc from '../../index';
 import type { RollupLog } from 'rollup';
 
diff --git a/packages/@lwc/rollup-plugin/src/index.ts b/packages/@lwc/rollup-plugin/src/index.ts
index 6004939ad1..f2fff4f790 100644
--- a/packages/@lwc/rollup-plugin/src/index.ts
+++ b/packages/@lwc/rollup-plugin/src/index.ts
@@ -11,12 +11,12 @@ import { URLSearchParams } from 'url';
 import pluginUtils from '@rollup/pluginutils';
 import { transformSync } from '@lwc/compiler';
 import { resolveModule, RegistryType } from '@lwc/module-resolver';
-import { getAPIVersionFromNumber } from '@lwc/shared';
+import { getAPIVersionFromNumber, type APIVersion } from '@lwc/shared/api-version';
 import type { Plugin, SourceMapInput, RollupLog } from 'rollup';
 import type { FilterPattern } from '@rollup/pluginutils';
 import type { StylesheetConfig, DynamicImportConfig } from '@lwc/compiler';
 import type { ModuleRecord } from '@lwc/module-resolver';
-import type { APIVersion, CompilationMode } from '@lwc/shared';
+import type { CompilationMode } from '@lwc/shared/ssr';
 import type { CompilerDiagnostic } from '@lwc/errors';
 
 export interface RollupLwcOptions {
diff --git a/packages/@lwc/shared/package.json b/packages/@lwc/shared/package.json
index 1e50886e42..a6fd799473 100644
--- a/packages/@lwc/shared/package.json
+++ b/packages/@lwc/shared/package.json
@@ -25,13 +25,19 @@
     "volta": {
         "extends": "../../../package.json"
     },
-    "main": "dist/index.cjs.js",
-    "module": "dist/index.js",
-    "types": "dist/index.d.ts",
     "files": [
         "dist/**/*.js",
         "dist/**/*.d.ts"
     ],
+    "exports": {
+        "./*": {
+            "types": "./dist/*.d.ts",
+            "node": "./dist/*.cjs.js",
+            "development": "./src/*.ts",
+            "import": "./dist/*.js",
+            "require": "./dist/*.cjs.js"
+        }
+    },
     "scripts": {
         "build": "rollup --config ../../../scripts/rollup/rollup.config.js",
         "dev": "rollup  --config ../../../scripts/rollup/rollup.config.js --watch --no-watch.clearScreen"
diff --git a/packages/@lwc/shared/src/__tests__/assert.spec.ts b/packages/@lwc/shared/src/__tests__/assert.spec.ts
index 281bbb190e..0c2b7dc206 100644
--- a/packages/@lwc/shared/src/__tests__/assert.spec.ts
+++ b/packages/@lwc/shared/src/__tests__/assert.spec.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 import { describe, it, expect } from 'vitest';
-import { assert } from '../index';
+import * as assert from '../assert';
 
 describe('assert', () => {
     describe('#invariant()', () => {
diff --git a/packages/@lwc/shared/src/api-version.ts b/packages/@lwc/shared/src/api-version.ts
index 72bc130103..0da9a83e3c 100644
--- a/packages/@lwc/shared/src/api-version.ts
+++ b/packages/@lwc/shared/src/api-version.ts
@@ -7,7 +7,7 @@
 
 import { isNumber } from './language';
 
-export const enum APIVersion {
+export enum APIVersion {
     V58_244_SUMMER_23 = 58,
     V59_246_WINTER_24 = 59,
     V60_248_SPRING_24 = 60,
@@ -59,7 +59,7 @@ export function getAPIVersionFromNumber(version: number | undefined): APIVersion
     return HIGHEST_API_VERSION;
 }
 
-export const enum APIFeature {
+export enum APIFeature {
     /**
      * Lowercase all scope tokens, enable the SVG static optimization
      */
diff --git a/packages/@lwc/shared/src/index.ts b/packages/@lwc/shared/src/index.ts
index 9d2c1209c5..a1613397bb 100644
--- a/packages/@lwc/shared/src/index.ts
+++ b/packages/@lwc/shared/src/index.ts
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
+
 import * as assert from './assert';
 
 export * from './api-version';
diff --git a/packages/@lwc/shared/src/static-part-tokens.ts b/packages/@lwc/shared/src/static-part-tokens.ts
index 925c545052..33c3028aef 100644
--- a/packages/@lwc/shared/src/static-part-tokens.ts
+++ b/packages/@lwc/shared/src/static-part-tokens.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-export const enum STATIC_PART_TOKEN_ID {
+export enum STATIC_PART_TOKEN_ID {
     ATTRIBUTE = 'a',
     CLASS = 'c',
     STYLE = 's',
diff --git a/packages/@lwc/signals/src/index.ts b/packages/@lwc/signals/src/index.ts
index 1b7ffed106..a5e6ad345e 100644
--- a/packages/@lwc/signals/src/index.ts
+++ b/packages/@lwc/signals/src/index.ts
@@ -5,8 +5,8 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { addTrustedSignal } from '@lwc/shared';
-export { setTrustedSignalSet } from '@lwc/shared';
+import { addTrustedSignal } from '@lwc/shared/signals';
+export { setTrustedSignalSet } from '@lwc/shared/signals';
 
 export type OnUpdate = () => void;
 export type Unsubscribe = () => void;
diff --git a/packages/@lwc/ssr-compiler/src/__tests__/fixtures.spec.ts b/packages/@lwc/ssr-compiler/src/__tests__/fixtures.spec.ts
index 6e5cb3bcf9..98d1e1292b 100644
--- a/packages/@lwc/ssr-compiler/src/__tests__/fixtures.spec.ts
+++ b/packages/@lwc/ssr-compiler/src/__tests__/fixtures.spec.ts
@@ -11,7 +11,7 @@ import { rollup } from 'rollup';
 import lwcRollupPlugin from '@lwc/rollup-plugin';
 import { testFixtureDir, formatHTML } from '@lwc/test-utils-lwc-internals';
 import { serverSideRenderComponent } from '@lwc/ssr-runtime';
-import { DEFAULT_SSR_MODE, type CompilationMode } from '@lwc/shared';
+import { DEFAULT_SSR_MODE, type CompilationMode } from '@lwc/shared/ssr';
 import { expectedFailures } from './utils/expected-failures';
 import type { FeatureFlagName } from '@lwc/features/dist/types';
 
diff --git a/packages/@lwc/ssr-compiler/src/compile-js/index.ts b/packages/@lwc/ssr-compiler/src/compile-js/index.ts
index a6386dcadf..edb3774711 100644
--- a/packages/@lwc/ssr-compiler/src/compile-js/index.ts
+++ b/packages/@lwc/ssr-compiler/src/compile-js/index.ts
@@ -27,7 +27,7 @@ import type {
     Decorator as EsDecorator,
 } from 'estree';
 import type { Visitors, ComponentMetaState } from './types';
-import type { CompilationMode } from '@lwc/shared';
+import type { CompilationMode } from '@lwc/shared/ssr';
 
 const visitors: Visitors = {
     $: { scope: true },
diff --git a/packages/@lwc/ssr-compiler/src/compile-template/index.ts b/packages/@lwc/ssr-compiler/src/compile-template/index.ts
index 037d51299f..eecceb5abe 100644
--- a/packages/@lwc/ssr-compiler/src/compile-template/index.ts
+++ b/packages/@lwc/ssr-compiler/src/compile-template/index.ts
@@ -16,7 +16,7 @@ import { transmogrify } from '../transmogrify';
 import { optimizeAdjacentYieldStmts } from './shared';
 import { templateIrToEsTree } from './ir-to-es';
 import type { ExportDefaultDeclaration as EsExportDefaultDeclaration } from 'estree';
-import type { CompilationMode } from '@lwc/shared';
+import type { CompilationMode } from '@lwc/shared/ssr';
 
 // TODO [#4663]: Render mode mismatch between template and compiler should throw.
 const bExportTemplate = esTemplate`
diff --git a/packages/@lwc/ssr-compiler/src/compile-template/shared.ts b/packages/@lwc/ssr-compiler/src/compile-template/shared.ts
index 53d15230b5..0ae8edfcb4 100644
--- a/packages/@lwc/ssr-compiler/src/compile-template/shared.ts
+++ b/packages/@lwc/ssr-compiler/src/compile-template/shared.ts
@@ -6,7 +6,8 @@
  */
 
 import { builders as b, is } from 'estree-toolkit';
-import { normalizeStyleAttributeValue, StringReplace, StringTrim } from '@lwc/shared';
+import { StringReplace, StringTrim } from '@lwc/shared/language';
+import { normalizeStyleAttributeValue } from '@lwc/shared/style';
 import { isValidES3Identifier } from '@babel/types';
 import { expressionIrToEs } from './expression';
 import type { TransformerContext } from './types';
diff --git a/packages/@lwc/ssr-compiler/src/compile-template/transformers/component/lwc-component.ts b/packages/@lwc/ssr-compiler/src/compile-template/transformers/component/lwc-component.ts
index b7076424c9..28a21d10fe 100644
--- a/packages/@lwc/ssr-compiler/src/compile-template/transformers/component/lwc-component.ts
+++ b/packages/@lwc/ssr-compiler/src/compile-template/transformers/component/lwc-component.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 import { is } from 'estree-toolkit';
-import { isUndefined } from '@lwc/shared';
+import { isUndefined } from '@lwc/shared/language';
 import { expressionIrToEs } from '../../expression';
 import { esTemplateWithYield } from '../../../estemplate';
 import { getChildAttrsOrProps } from '../../shared';
diff --git a/packages/@lwc/ssr-compiler/src/compile-template/transformers/element.ts b/packages/@lwc/ssr-compiler/src/compile-template/transformers/element.ts
index 66341e2355..11895c9a6c 100644
--- a/packages/@lwc/ssr-compiler/src/compile-template/transformers/element.ts
+++ b/packages/@lwc/ssr-compiler/src/compile-template/transformers/element.ts
@@ -6,12 +6,10 @@
  */
 
 import { builders as b, is } from 'estree-toolkit';
-import {
-    HTML_NAMESPACE,
-    isBooleanAttribute,
-    isVoidElement,
-    normalizeStyleAttributeValue,
-} from '@lwc/shared';
+import { HTML_NAMESPACE } from '@lwc/shared/namespaces';
+import { isBooleanAttribute } from '@lwc/shared/html-attributes';
+import { isVoidElement } from '@lwc/shared/void-elements';
+import { normalizeStyleAttributeValue } from '@lwc/shared/style';
 import {
     type Attribute as IrAttribute,
     type Expression as IrExpression,
diff --git a/packages/@lwc/ssr-compiler/src/estree/validators.ts b/packages/@lwc/ssr-compiler/src/estree/validators.ts
index 69fd7c813c..5da0111637 100644
--- a/packages/@lwc/ssr-compiler/src/estree/validators.ts
+++ b/packages/@lwc/ssr-compiler/src/estree/validators.ts
@@ -6,7 +6,7 @@
  */
 
 import { is } from 'estree-toolkit';
-import { entries } from '@lwc/shared';
+import { entries } from '@lwc/shared/language';
 import type { Checker } from 'estree-toolkit/dist/generated/is-type';
 import type { Node } from 'estree-toolkit/dist/helpers'; // estree's `Node` is not compatible?
 
diff --git a/packages/@lwc/ssr-compiler/src/index.ts b/packages/@lwc/ssr-compiler/src/index.ts
index fdef53a9a9..acf835dd89 100644
--- a/packages/@lwc/ssr-compiler/src/index.ts
+++ b/packages/@lwc/ssr-compiler/src/index.ts
@@ -5,7 +5,8 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { DEFAULT_SSR_MODE, type CompilationMode, generateCustomElementTagName } from '@lwc/shared';
+import { generateCustomElementTagName } from '@lwc/shared/custom-element';
+import { DEFAULT_SSR_MODE, type CompilationMode } from '@lwc/shared/ssr';
 import compileJS from './compile-js';
 import compileTemplate from './compile-template';
 import type { ComponentTransformOptions, TemplateTransformOptions } from './shared';
diff --git a/packages/@lwc/ssr-runtime/src/index.ts b/packages/@lwc/ssr-runtime/src/index.ts
index cfa9b8dd53..3e56545638 100644
--- a/packages/@lwc/ssr-runtime/src/index.ts
+++ b/packages/@lwc/ssr-runtime/src/index.ts
@@ -8,7 +8,9 @@
 // Must be first so that later exports take precedence
 export * from './stubs';
 
-export { htmlEscape, setHooks, sanitizeHtmlContent, normalizeClass } from '@lwc/shared';
+export { htmlEscape } from '@lwc/shared/html-escape';
+export { setHooks, sanitizeHtmlContent } from '@lwc/shared/overridable-hooks';
+export { normalizeClass } from '@lwc/shared/normalize-class';
 
 export { ClassList } from './class-list';
 export {
diff --git a/packages/@lwc/ssr-runtime/src/lightning-element.ts b/packages/@lwc/ssr-runtime/src/lightning-element.ts
index 2c78d199a4..489466b13a 100644
--- a/packages/@lwc/ssr-runtime/src/lightning-element.ts
+++ b/packages/@lwc/ssr-runtime/src/lightning-element.ts
@@ -17,20 +17,22 @@ import {
     assign,
     defineProperties,
     hasOwnProperty,
-    htmlPropertyToAttribute,
-    isAriaAttribute,
     keys,
-    REFLECTIVE_GLOBAL_PROPERTY_SET,
     StringToLowerCase,
     toString,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
+import {
+    htmlPropertyToAttribute,
+    REFLECTIVE_GLOBAL_PROPERTY_SET,
+} from '@lwc/shared/html-attributes';
 
+import { isAriaAttribute } from '@lwc/shared/aria';
 import { ClassList } from './class-list';
 import { mutationTracker } from './mutation-tracker';
 import { descriptors as reflectionDescriptors } from './reflection';
 import { getReadOnlyProxy } from './get-read-only-proxy';
 import type { Attributes, Properties } from './types';
-import type { Stylesheets } from '@lwc/shared';
+import type { Stylesheets } from '@lwc/shared/style';
 
 type EventListenerOrEventListenerObject = unknown;
 type AddEventListenerOptions = unknown;
diff --git a/packages/@lwc/ssr-runtime/src/reflection.ts b/packages/@lwc/ssr-runtime/src/reflection.ts
index d2488337ab..ea2e7652ea 100644
--- a/packages/@lwc/ssr-runtime/src/reflection.ts
+++ b/packages/@lwc/ssr-runtime/src/reflection.ts
@@ -5,7 +5,8 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { AriaAttrNameToPropNameMap, entries, isNull, toString } from '@lwc/shared';
+import { entries, isNull, toString } from '@lwc/shared/language';
+import { AriaAttrNameToPropNameMap } from '@lwc/shared/aria';
 
 import type { LightningElement } from './lightning-element';
 
diff --git a/packages/@lwc/ssr-runtime/src/render-text-content.ts b/packages/@lwc/ssr-runtime/src/render-text-content.ts
index 25f8402402..27a10fe6ca 100644
--- a/packages/@lwc/ssr-runtime/src/render-text-content.ts
+++ b/packages/@lwc/ssr-runtime/src/render-text-content.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { htmlEscape } from '@lwc/shared';
+import { htmlEscape } from '@lwc/shared/html-escape';
 
 /**
  * Given an object, render it for use as a text content node. Not that this applies to individual text nodes,
diff --git a/packages/@lwc/ssr-runtime/src/render.ts b/packages/@lwc/ssr-runtime/src/render.ts
index 188c169ba7..5e15e0159d 100644
--- a/packages/@lwc/ssr-runtime/src/render.ts
+++ b/packages/@lwc/ssr-runtime/src/render.ts
@@ -4,14 +4,9 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import {
-    getOwnPropertyNames,
-    isNull,
-    isString,
-    isUndefined,
-    DEFAULT_SSR_MODE,
-    htmlEscape,
-} from '@lwc/shared';
+import { getOwnPropertyNames, isNull, isString, isUndefined } from '@lwc/shared/language';
+import { DEFAULT_SSR_MODE } from '@lwc/shared/ssr';
+import { htmlEscape } from '@lwc/shared/html-escape';
 import { mutationTracker } from './mutation-tracker';
 import { SYMBOL__GENERATE_MARKUP } from './lightning-element';
 import type { LightningElement, LightningElementConstructor } from './lightning-element';
diff --git a/packages/@lwc/ssr-runtime/src/styles.ts b/packages/@lwc/ssr-runtime/src/styles.ts
index 5def046a00..3625f48479 100644
--- a/packages/@lwc/ssr-runtime/src/styles.ts
+++ b/packages/@lwc/ssr-runtime/src/styles.ts
@@ -4,10 +4,10 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isArray } from '@lwc/shared';
+import { isArray } from '@lwc/shared/language';
 import { validateStyleTextContents } from './validate-style-text-contents';
 import type { LightningElementConstructor } from './lightning-element';
-import type { Stylesheets, Stylesheet } from '@lwc/shared';
+import type { Stylesheets, Stylesheet } from '@lwc/shared/style';
 
 type ForgivingStylesheets =
     | Stylesheets
diff --git a/packages/@lwc/style-compiler/src/__tests__/index.spec.ts b/packages/@lwc/style-compiler/src/__tests__/index.spec.ts
index b352b4558d..f8e3d60c03 100644
--- a/packages/@lwc/style-compiler/src/__tests__/index.spec.ts
+++ b/packages/@lwc/style-compiler/src/__tests__/index.spec.ts
@@ -7,7 +7,7 @@
 import path from 'node:path';
 import { describe } from 'vitest';
 import { testFixtureDir } from '@lwc/test-utils-lwc-internals';
-import { LWC_VERSION } from '@lwc/shared';
+import { LWC_VERSION } from '@lwc/shared/meta';
 
 import { transform } from '../index';
 
diff --git a/packages/@lwc/style-compiler/src/postcss-lwc-plugin.ts b/packages/@lwc/style-compiler/src/postcss-lwc-plugin.ts
index 835b4ec838..bd68b4f251 100644
--- a/packages/@lwc/style-compiler/src/postcss-lwc-plugin.ts
+++ b/packages/@lwc/style-compiler/src/postcss-lwc-plugin.ts
@@ -12,7 +12,7 @@ import transformSelectorScoping from './selector-scoping/transform';
 import transformDirPseudoClass from './dir-pseudo-class/transform';
 import transformAtRules from './scope-at-rules/transform';
 import type { SelectorScopingConfig } from './selector-scoping/transform';
-import type { APIVersion } from '@lwc/shared';
+import type { APIVersion } from '@lwc/shared/api-version';
 import type { Rule, AtRule, TransformCallback } from 'postcss';
 
 function shouldTransformSelector(rule: Rule) {
diff --git a/packages/@lwc/style-compiler/src/serialize.ts b/packages/@lwc/style-compiler/src/serialize.ts
index be88626c52..92d5739782 100644
--- a/packages/@lwc/style-compiler/src/serialize.ts
+++ b/packages/@lwc/style-compiler/src/serialize.ts
@@ -5,7 +5,8 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 import postcss from 'postcss';
-import { KEY__SCOPED_CSS, LWC_VERSION_COMMENT, KEY__NATIVE_ONLY_CSS } from '@lwc/shared';
+import { KEY__SCOPED_CSS, KEY__NATIVE_ONLY_CSS } from '@lwc/shared/keys';
+import { LWC_VERSION_COMMENT } from '@lwc/shared/meta';
 import { isImportMessage } from './utils/message';
 import { HOST_ATTRIBUTE, SHADOW_ATTRIBUTE } from './utils/selectors-scoping';
 import {
diff --git a/packages/@lwc/style-compiler/src/transform.ts b/packages/@lwc/style-compiler/src/transform.ts
index 52f50fe6a2..1e700d26f4 100644
--- a/packages/@lwc/style-compiler/src/transform.ts
+++ b/packages/@lwc/style-compiler/src/transform.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 import postcss from 'postcss';
-import { getAPIVersionFromNumber } from '@lwc/shared';
+import { getAPIVersionFromNumber } from '@lwc/shared/api-version';
 
 import serialize from './serialize';
 import postcssLwc from './postcss-lwc-plugin';
diff --git a/packages/@lwc/synthetic-shadow/src/3rdparty/polymer/path-composer.ts b/packages/@lwc/synthetic-shadow/src/3rdparty/polymer/path-composer.ts
index c5478fcd87..2d2adf0a81 100644
--- a/packages/@lwc/synthetic-shadow/src/3rdparty/polymer/path-composer.ts
+++ b/packages/@lwc/synthetic-shadow/src/3rdparty/polymer/path-composer.ts
@@ -15,7 +15,7 @@ Code distributed by Google as part of the polymer project is also
 subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 */
 
-import { isNull } from '@lwc/shared';
+import { isNull } from '@lwc/shared/language';
 import { getOwnerDocument } from '../../shared/utils';
 import { Node } from '../../env/node';
 import { isSyntheticOrNativeShadowRoot } from '../../shared/utils';
diff --git a/packages/@lwc/synthetic-shadow/src/3rdparty/polymer/retarget.ts b/packages/@lwc/synthetic-shadow/src/3rdparty/polymer/retarget.ts
index 47eb72cae6..540bbe4598 100644
--- a/packages/@lwc/synthetic-shadow/src/3rdparty/polymer/retarget.ts
+++ b/packages/@lwc/synthetic-shadow/src/3rdparty/polymer/retarget.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isNull, isUndefined } from '@lwc/shared';
+import { isNull, isUndefined } from '@lwc/shared/language';
 import { isSyntheticOrNativeShadowRoot } from '../../shared/utils';
 import { pathComposer } from './path-composer';
 
diff --git a/packages/@lwc/synthetic-shadow/src/env/document.ts b/packages/@lwc/synthetic-shadow/src/env/document.ts
index 17344d5f73..77e7438d5d 100644
--- a/packages/@lwc/synthetic-shadow/src/env/document.ts
+++ b/packages/@lwc/synthetic-shadow/src/env/document.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { getOwnPropertyDescriptor } from '@lwc/shared';
+import { getOwnPropertyDescriptor } from '@lwc/shared/language';
 
 const DocumentPrototypeActiveElement: (this: Document) => Element | null = getOwnPropertyDescriptor(
     Document.prototype,
diff --git a/packages/@lwc/synthetic-shadow/src/env/dom.ts b/packages/@lwc/synthetic-shadow/src/env/dom.ts
index cac2b33109..c3a1d8ad29 100644
--- a/packages/@lwc/synthetic-shadow/src/env/dom.ts
+++ b/packages/@lwc/synthetic-shadow/src/env/dom.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { getOwnPropertyDescriptor, hasOwnProperty } from '@lwc/shared';
+import { getOwnPropertyDescriptor, hasOwnProperty } from '@lwc/shared/language';
 
 const eventTargetGetter: (this: Event) => EventTarget = getOwnPropertyDescriptor(
     Event.prototype,
diff --git a/packages/@lwc/synthetic-shadow/src/env/element.ts b/packages/@lwc/synthetic-shadow/src/env/element.ts
index 1ff759736d..75708bb025 100644
--- a/packages/@lwc/synthetic-shadow/src/env/element.ts
+++ b/packages/@lwc/synthetic-shadow/src/env/element.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { hasOwnProperty, getOwnPropertyDescriptor } from '@lwc/shared';
+import { hasOwnProperty, getOwnPropertyDescriptor } from '@lwc/shared/language';
 
 const {
     getAttribute,
diff --git a/packages/@lwc/synthetic-shadow/src/env/node.ts b/packages/@lwc/synthetic-shadow/src/env/node.ts
index 3a190be733..0890a4637a 100644
--- a/packages/@lwc/synthetic-shadow/src/env/node.ts
+++ b/packages/@lwc/synthetic-shadow/src/env/node.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { getOwnPropertyDescriptor, hasOwnProperty } from '@lwc/shared';
+import { getOwnPropertyDescriptor, hasOwnProperty } from '@lwc/shared/language';
 
 // TODO [#2472]: Remove this workaround when appropriate.
 // eslint-disable-next-line @lwc/lwc-internal/no-global-node
diff --git a/packages/@lwc/synthetic-shadow/src/env/text.ts b/packages/@lwc/synthetic-shadow/src/env/text.ts
index 1419d31a9e..69fd5a464e 100644
--- a/packages/@lwc/synthetic-shadow/src/env/text.ts
+++ b/packages/@lwc/synthetic-shadow/src/env/text.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { hasOwnProperty, getOwnPropertyDescriptor } from '@lwc/shared';
+import { hasOwnProperty, getOwnPropertyDescriptor } from '@lwc/shared/language';
 
 export const assignedSlotGetter: (this: Text) => HTMLSlotElement | null = hasOwnProperty.call(
     Text.prototype,
diff --git a/packages/@lwc/synthetic-shadow/src/faux-shadow/element.ts b/packages/@lwc/synthetic-shadow/src/faux-shadow/element.ts
index 293c8608bf..1eda8be94f 100644
--- a/packages/@lwc/synthetic-shadow/src/faux-shadow/element.ts
+++ b/packages/@lwc/synthetic-shadow/src/faux-shadow/element.ts
@@ -14,8 +14,9 @@ import {
     hasOwnProperty,
     isNull,
     isUndefined,
-    KEY__SYNTHETIC_MODE,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
+
+import { KEY__SYNTHETIC_MODE } from '@lwc/shared/keys';
 
 import {
     attachShadow as originalAttachShadow,
diff --git a/packages/@lwc/synthetic-shadow/src/faux-shadow/events.ts b/packages/@lwc/synthetic-shadow/src/faux-shadow/events.ts
index c6d8b8fcb8..c6da14fe5f 100644
--- a/packages/@lwc/synthetic-shadow/src/faux-shadow/events.ts
+++ b/packages/@lwc/synthetic-shadow/src/faux-shadow/events.ts
@@ -16,7 +16,7 @@ import {
     isFunction,
     isUndefined,
     toString,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
 
 import { isInstanceOfNativeShadowRoot } from '../env/shadow-root';
 import { eventCurrentTargetGetter, eventTargetGetter } from '../env/dom';
diff --git a/packages/@lwc/synthetic-shadow/src/faux-shadow/focus.ts b/packages/@lwc/synthetic-shadow/src/faux-shadow/focus.ts
index 2c1d86ac0a..4c3fedbea0 100644
--- a/packages/@lwc/synthetic-shadow/src/faux-shadow/focus.ts
+++ b/packages/@lwc/synthetic-shadow/src/faux-shadow/focus.ts
@@ -9,11 +9,12 @@ import {
     ArrayIndexOf,
     ArrayReverse,
     ArraySlice,
-    assert,
     isNull,
     isUndefined,
     toString,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
+
+import * as assert from '@lwc/shared/assert';
 
 import { addEventListener, removeEventListener } from '../env/event-target';
 import { windowAddEventListener, windowRemoveEventListener } from '../env/window';
diff --git a/packages/@lwc/synthetic-shadow/src/faux-shadow/html-element.ts b/packages/@lwc/synthetic-shadow/src/faux-shadow/html-element.ts
index 40fc80a890..d0c37678dc 100644
--- a/packages/@lwc/synthetic-shadow/src/faux-shadow/html-element.ts
+++ b/packages/@lwc/synthetic-shadow/src/faux-shadow/html-element.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isNull, isFalse, defineProperties, defineProperty } from '@lwc/shared';
+import { isNull, isFalse, defineProperties, defineProperty } from '@lwc/shared/language';
 
 import {
     hasAttribute,
diff --git a/packages/@lwc/synthetic-shadow/src/faux-shadow/legacy-shadow-token.ts b/packages/@lwc/synthetic-shadow/src/faux-shadow/legacy-shadow-token.ts
index 30ba2562ca..bddf64828b 100644
--- a/packages/@lwc/synthetic-shadow/src/faux-shadow/legacy-shadow-token.ts
+++ b/packages/@lwc/synthetic-shadow/src/faux-shadow/legacy-shadow-token.ts
@@ -5,12 +5,8 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 // TODO [#3733]: remove this entire file when we can remove legacy scope tokens
-import {
-    defineProperty,
-    isUndefined,
-    KEY__LEGACY_SHADOW_TOKEN,
-    KEY__LEGACY_SHADOW_TOKEN_PRIVATE,
-} from '@lwc/shared';
+import { defineProperty, isUndefined } from '@lwc/shared/language';
+import { KEY__LEGACY_SHADOW_TOKEN, KEY__LEGACY_SHADOW_TOKEN_PRIVATE } from '@lwc/shared/keys';
 import { setAttribute, removeAttribute } from '../env/element';
 
 export function getLegacyShadowToken(node: Node): string | undefined {
diff --git a/packages/@lwc/synthetic-shadow/src/faux-shadow/no-patch-utils.ts b/packages/@lwc/synthetic-shadow/src/faux-shadow/no-patch-utils.ts
index 07175ff694..4605b53fc9 100644
--- a/packages/@lwc/synthetic-shadow/src/faux-shadow/no-patch-utils.ts
+++ b/packages/@lwc/synthetic-shadow/src/faux-shadow/no-patch-utils.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { ArrayFilter, ArraySlice, isNull, isUndefined } from '@lwc/shared';
+import { ArrayFilter, ArraySlice, isNull, isUndefined } from '@lwc/shared/language';
 
 import { getNodeKey, getNodeNearestOwnerKey, getNodeOwnerKey } from '../shared/node-ownership';
 import { isGlobalPatchingSkipped } from '../shared/utils';
diff --git a/packages/@lwc/synthetic-shadow/src/faux-shadow/node.ts b/packages/@lwc/synthetic-shadow/src/faux-shadow/node.ts
index e1a7a89595..be76dc75e5 100644
--- a/packages/@lwc/synthetic-shadow/src/faux-shadow/node.ts
+++ b/packages/@lwc/synthetic-shadow/src/faux-shadow/node.ts
@@ -12,7 +12,7 @@ import {
     isNull,
     isTrue,
     isUndefined,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
 
 import { Node } from '../env/node';
 import {
diff --git a/packages/@lwc/synthetic-shadow/src/faux-shadow/portal.ts b/packages/@lwc/synthetic-shadow/src/faux-shadow/portal.ts
index 88f5b1c8d8..58997b203d 100644
--- a/packages/@lwc/synthetic-shadow/src/faux-shadow/portal.ts
+++ b/packages/@lwc/synthetic-shadow/src/faux-shadow/portal.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isUndefined, forEach, defineProperty, isTrue } from '@lwc/shared';
+import { isUndefined, forEach, defineProperty, isTrue } from '@lwc/shared/language';
 import { childNodesGetter, compareDocumentPosition, Node } from '../env/node';
 import { MutationObserver, MutationObserverObserve } from '../env/mutation-observer';
 import { getShadowRootResolver, isSyntheticShadowHost, setShadowRootResolver } from './shadow-root';
diff --git a/packages/@lwc/synthetic-shadow/src/faux-shadow/shadow-root.ts b/packages/@lwc/synthetic-shadow/src/faux-shadow/shadow-root.ts
index 2861346653..1479ae1747 100644
--- a/packages/@lwc/synthetic-shadow/src/faux-shadow/shadow-root.ts
+++ b/packages/@lwc/synthetic-shadow/src/faux-shadow/shadow-root.ts
@@ -12,14 +12,17 @@ import {
     isNull,
     isTrue,
     isUndefined,
+    setPrototypeOf,
+    getPrototypeOf,
+    isObject,
+} from '@lwc/shared/language';
+
+import {
     KEY__SHADOW_RESOLVER,
     KEY__SHADOW_RESOLVER_PRIVATE,
     KEY__NATIVE_GET_ELEMENT_BY_ID,
     KEY__NATIVE_QUERY_SELECTOR_ALL,
-    setPrototypeOf,
-    getPrototypeOf,
-    isObject,
-} from '@lwc/shared';
+} from '@lwc/shared/keys';
 
 import { innerHTMLSetter } from '../env/element';
 import { dispatchEvent } from '../env/event-target';
diff --git a/packages/@lwc/synthetic-shadow/src/faux-shadow/shadow-token.ts b/packages/@lwc/synthetic-shadow/src/faux-shadow/shadow-token.ts
index 755f75843b..5a8a2a7dc3 100644
--- a/packages/@lwc/synthetic-shadow/src/faux-shadow/shadow-token.ts
+++ b/packages/@lwc/synthetic-shadow/src/faux-shadow/shadow-token.ts
@@ -4,16 +4,14 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
+import { defineProperty, isUndefined, isNull } from '@lwc/shared/language';
 import {
-    defineProperty,
-    isUndefined,
     KEY__SHADOW_TOKEN,
     KEY__SHADOW_TOKEN_PRIVATE,
     KEY__SHADOW_STATIC,
     KEY__SHADOW_STATIC_PRIVATE,
     KEY__SHADOW_RESOLVER,
-    isNull,
-} from '@lwc/shared';
+} from '@lwc/shared/keys';
 import { setAttribute, removeAttribute } from '../env/element';
 import { firstChildGetter, nextSiblingGetter } from '../env/node';
 
diff --git a/packages/@lwc/synthetic-shadow/src/faux-shadow/slot.ts b/packages/@lwc/synthetic-shadow/src/faux-shadow/slot.ts
index acd480a4a4..18c18d3784 100644
--- a/packages/@lwc/synthetic-shadow/src/faux-shadow/slot.ts
+++ b/packages/@lwc/synthetic-shadow/src/faux-shadow/slot.ts
@@ -5,7 +5,6 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 import {
-    assert,
     defineProperties,
     ArrayFilter,
     ArrayIndexOf,
@@ -16,7 +15,8 @@ import {
     isNull,
     isTrue,
     isUndefined,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
+import * as assert from '@lwc/shared/assert';
 import {
     getAttribute,
     setAttribute,
diff --git a/packages/@lwc/synthetic-shadow/src/faux-shadow/text.ts b/packages/@lwc/synthetic-shadow/src/faux-shadow/text.ts
index 42ccce9648..59ffceb0c4 100644
--- a/packages/@lwc/synthetic-shadow/src/faux-shadow/text.ts
+++ b/packages/@lwc/synthetic-shadow/src/faux-shadow/text.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { defineProperties } from '@lwc/shared';
+import { defineProperties } from '@lwc/shared/language';
 import { assignedSlotGetterPatched } from './slot';
 
 // Non-deep-traversing patches: this descriptor map includes all descriptors that
diff --git a/packages/@lwc/synthetic-shadow/src/faux-shadow/traverse.ts b/packages/@lwc/synthetic-shadow/src/faux-shadow/traverse.ts
index dbfe589bd6..ec1aef8f7e 100644
--- a/packages/@lwc/synthetic-shadow/src/faux-shadow/traverse.ts
+++ b/packages/@lwc/synthetic-shadow/src/faux-shadow/traverse.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { ArrayReduce, ArrayPush, isNull, isUndefined, ArrayFilter } from '@lwc/shared';
+import { ArrayReduce, ArrayPush, isNull, isUndefined, ArrayFilter } from '@lwc/shared/language';
 
 import { arrayFromCollection } from '../shared/utils';
 import { getNodeKey, getNodeNearestOwnerKey, isNodeShadowed } from '../shared/node-ownership';
diff --git a/packages/@lwc/synthetic-shadow/src/polyfills/clipboard-event-composed/main.ts b/packages/@lwc/synthetic-shadow/src/polyfills/clipboard-event-composed/main.ts
index 26f8849e9e..0b88550fbd 100644
--- a/packages/@lwc/synthetic-shadow/src/polyfills/clipboard-event-composed/main.ts
+++ b/packages/@lwc/synthetic-shadow/src/polyfills/clipboard-event-composed/main.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { assign, create, defineProperties } from '@lwc/shared';
+import { assign, create, defineProperties } from '@lwc/shared/language';
 
 // Note that ClipboardEvent is undefined in Jest/jsdom
 // See: https://github.com/jsdom/jsdom/issues/1568
diff --git a/packages/@lwc/synthetic-shadow/src/polyfills/document-shadow/polyfill.ts b/packages/@lwc/synthetic-shadow/src/polyfills/document-shadow/polyfill.ts
index ebdc10d3ff..558a190334 100644
--- a/packages/@lwc/synthetic-shadow/src/polyfills/document-shadow/polyfill.ts
+++ b/packages/@lwc/synthetic-shadow/src/polyfills/document-shadow/polyfill.ts
@@ -12,7 +12,7 @@ import {
     getOwnPropertyDescriptor,
     isNull,
     isUndefined,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
 import {
     DocumentPrototypeActiveElement,
     getElementById as documentGetElementById,
diff --git a/packages/@lwc/synthetic-shadow/src/polyfills/event-target/polyfill.ts b/packages/@lwc/synthetic-shadow/src/polyfills/event-target/polyfill.ts
index 1ed6f8dd56..375bba1c3c 100644
--- a/packages/@lwc/synthetic-shadow/src/polyfills/event-target/polyfill.ts
+++ b/packages/@lwc/synthetic-shadow/src/polyfills/event-target/polyfill.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { ArraySlice, defineProperties } from '@lwc/shared';
+import { ArraySlice, defineProperties } from '@lwc/shared/language';
 import {
     addEventListener as nativeAddEventListener,
     eventTargetPrototype,
diff --git a/packages/@lwc/synthetic-shadow/src/polyfills/event/polyfill.ts b/packages/@lwc/synthetic-shadow/src/polyfills/event/polyfill.ts
index c503e9d6ef..17231150b2 100644
--- a/packages/@lwc/synthetic-shadow/src/polyfills/event/polyfill.ts
+++ b/packages/@lwc/synthetic-shadow/src/polyfills/event/polyfill.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { defineProperties, isNull, isUndefined } from '@lwc/shared';
+import { defineProperties, isNull, isUndefined } from '@lwc/shared/language';
 
 import { pathComposer } from '../../3rdparty/polymer/path-composer';
 import { retarget } from '../../3rdparty/polymer/retarget';
diff --git a/packages/@lwc/synthetic-shadow/src/polyfills/mutation-observer/polyfill.ts b/packages/@lwc/synthetic-shadow/src/polyfills/mutation-observer/polyfill.ts
index 8f22389ce2..88da006e5f 100644
--- a/packages/@lwc/synthetic-shadow/src/polyfills/mutation-observer/polyfill.ts
+++ b/packages/@lwc/synthetic-shadow/src/polyfills/mutation-observer/polyfill.ts
@@ -14,7 +14,7 @@ import {
     forEach,
     isNull,
     isUndefined,
-} from '@lwc/shared';
+} from '@lwc/shared/language';
 import { isSyntheticShadowRoot } from '../../faux-shadow/shadow-root';
 import { getNodeKey, getNodeNearestOwnerKey } from '../../shared/node-ownership';
 
diff --git a/packages/@lwc/synthetic-shadow/src/shared/event-target.ts b/packages/@lwc/synthetic-shadow/src/shared/event-target.ts
index fd76f0f082..2f629e2132 100644
--- a/packages/@lwc/synthetic-shadow/src/shared/event-target.ts
+++ b/packages/@lwc/synthetic-shadow/src/shared/event-target.ts
@@ -4,7 +4,8 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { assert, isFalse, isFunction, isNull, isObject, isUndefined } from '@lwc/shared';
+import { isFalse, isFunction, isNull, isObject, isUndefined } from '@lwc/shared/language';
+import * as assert from '@lwc/shared/assert';
 import { eventCurrentTargetGetter } from '../env/dom';
 import { getActualTarget } from '../faux-shadow/events';
 import { isSyntheticShadowHost } from '../faux-shadow/shadow-root';
diff --git a/packages/@lwc/synthetic-shadow/src/shared/faux-element-from-point.ts b/packages/@lwc/synthetic-shadow/src/shared/faux-element-from-point.ts
index 6317297e9d..d7c030e9ac 100644
--- a/packages/@lwc/synthetic-shadow/src/shared/faux-element-from-point.ts
+++ b/packages/@lwc/synthetic-shadow/src/shared/faux-element-from-point.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isNull } from '@lwc/shared';
+import { isNull } from '@lwc/shared/language';
 import { elementFromPoint } from '../env/document';
 import { retarget } from '../3rdparty/polymer/retarget';
 import { pathComposer } from '../3rdparty/polymer/path-composer';
diff --git a/packages/@lwc/synthetic-shadow/src/shared/faux-elements-from-point.ts b/packages/@lwc/synthetic-shadow/src/shared/faux-elements-from-point.ts
index 91fbb4043f..6f821776c6 100644
--- a/packages/@lwc/synthetic-shadow/src/shared/faux-elements-from-point.ts
+++ b/packages/@lwc/synthetic-shadow/src/shared/faux-elements-from-point.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { ArrayIndexOf, ArrayPush, isNull, isUndefined } from '@lwc/shared';
+import { ArrayIndexOf, ArrayPush, isNull, isUndefined } from '@lwc/shared/language';
 import { elementsFromPoint } from '../env/document';
 import { isSyntheticSlotElement } from '../faux-shadow/traverse';
 
diff --git a/packages/@lwc/synthetic-shadow/src/shared/node-ownership.ts b/packages/@lwc/synthetic-shadow/src/shared/node-ownership.ts
index eac9d58502..8200415004 100644
--- a/packages/@lwc/synthetic-shadow/src/shared/node-ownership.ts
+++ b/packages/@lwc/synthetic-shadow/src/shared/node-ownership.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { defineProperty, isNull, isUndefined } from '@lwc/shared';
+import { defineProperty, isNull, isUndefined } from '@lwc/shared/language';
 
 import { parentNodeGetter } from '../env/node';
 import { isSyntheticSlotElement } from '../faux-shadow/traverse';
diff --git a/packages/@lwc/synthetic-shadow/src/shared/retarget-related-target.ts b/packages/@lwc/synthetic-shadow/src/shared/retarget-related-target.ts
index d9693ed7bb..2de20789f7 100644
--- a/packages/@lwc/synthetic-shadow/src/shared/retarget-related-target.ts
+++ b/packages/@lwc/synthetic-shadow/src/shared/retarget-related-target.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { defineProperty, getOwnPropertyDescriptor, isNull } from '@lwc/shared';
+import { defineProperty, getOwnPropertyDescriptor, isNull } from '@lwc/shared/language';
 
 import { pathComposer } from '../3rdparty/polymer/path-composer';
 import { retarget } from '../3rdparty/polymer/retarget';
diff --git a/packages/@lwc/synthetic-shadow/src/shared/static-html-collection.ts b/packages/@lwc/synthetic-shadow/src/shared/static-html-collection.ts
index bcd1bb8245..fe02adbcd0 100644
--- a/packages/@lwc/synthetic-shadow/src/shared/static-html-collection.ts
+++ b/packages/@lwc/synthetic-shadow/src/shared/static-html-collection.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { create, defineProperty, forEach, setPrototypeOf } from '@lwc/shared';
+import { create, defineProperty, forEach, setPrototypeOf } from '@lwc/shared/language';
 
 import { getAttribute } from '../env/element';
 
diff --git a/packages/@lwc/synthetic-shadow/src/shared/static-node-list.ts b/packages/@lwc/synthetic-shadow/src/shared/static-node-list.ts
index 2152d61e4b..73eedb1cb0 100644
--- a/packages/@lwc/synthetic-shadow/src/shared/static-node-list.ts
+++ b/packages/@lwc/synthetic-shadow/src/shared/static-node-list.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { ArrayMap, create, defineProperty, forEach, setPrototypeOf } from '@lwc/shared';
+import { ArrayMap, create, defineProperty, forEach, setPrototypeOf } from '@lwc/shared/language';
 
 const Items = new WeakMap<any, Node[]>();
 
diff --git a/packages/@lwc/synthetic-shadow/src/shared/utils.ts b/packages/@lwc/synthetic-shadow/src/shared/utils.ts
index 77613845e8..740b84994f 100644
--- a/packages/@lwc/synthetic-shadow/src/shared/utils.ts
+++ b/packages/@lwc/synthetic-shadow/src/shared/utils.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isUndefined, isTrue } from '@lwc/shared';
+import { isUndefined, isTrue } from '@lwc/shared/language';
 import { ownerDocumentGetter } from '../env/node';
 import { defaultViewGetter } from '../env/document';
 import { getAttribute } from '../env/element';
diff --git a/packages/@lwc/template-compiler/src/__tests__/config.spec.ts b/packages/@lwc/template-compiler/src/__tests__/config.spec.ts
index 2ae907a918..48701ee7ef 100644
--- a/packages/@lwc/template-compiler/src/__tests__/config.spec.ts
+++ b/packages/@lwc/template-compiler/src/__tests__/config.spec.ts
@@ -5,7 +5,7 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 import { describe, it, expect } from 'vitest';
-import { HIGHEST_API_VERSION } from '@lwc/shared';
+import { HIGHEST_API_VERSION } from '@lwc/shared/api-version';
 import { normalizeConfig } from '../config';
 
 describe('customRendererConfig normalization', () => {
diff --git a/packages/@lwc/template-compiler/src/__tests__/fixtures.spec.ts b/packages/@lwc/template-compiler/src/__tests__/fixtures.spec.ts
index 168ba72f2e..725ce42676 100644
--- a/packages/@lwc/template-compiler/src/__tests__/fixtures.spec.ts
+++ b/packages/@lwc/template-compiler/src/__tests__/fixtures.spec.ts
@@ -6,7 +6,7 @@
  */
 import path from 'node:path';
 import { describe } from 'vitest';
-import { LWC_VERSION } from '@lwc/shared';
+import { LWC_VERSION } from '@lwc/shared/meta';
 import prettier from 'prettier';
 import { testFixtureDir } from '@lwc/test-utils-lwc-internals';
 
diff --git a/packages/@lwc/template-compiler/src/codegen/codegen.ts b/packages/@lwc/template-compiler/src/codegen/codegen.ts
index 690d89a435..692a1577d5 100644
--- a/packages/@lwc/template-compiler/src/codegen/codegen.ts
+++ b/packages/@lwc/template-compiler/src/codegen/codegen.ts
@@ -5,15 +5,11 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 import { walk } from 'estree-walker';
-import {
-    getAPIVersionFromNumber,
-    SVG_NAMESPACE,
-    STATIC_PART_TOKEN_ID,
-    isUndefined,
-    APIFeature,
-    isAPIFeatureEnabled,
-} from '@lwc/shared';
+import { isUndefined } from '@lwc/shared/language';
 
+import { getAPIVersionFromNumber, isAPIFeatureEnabled, APIFeature } from '@lwc/shared/api-version';
+import { SVG_NAMESPACE } from '@lwc/shared/namespaces';
+import { STATIC_PART_TOKEN_ID } from '@lwc/shared/static-part-tokens';
 import * as t from '../shared/estree';
 import { LWCDirectiveRenderMode } from '../shared/types';
 import {
@@ -63,7 +59,7 @@ import type {
     KeyDirective,
     StaticChildNode,
 } from '../shared/types';
-import type { APIVersion } from '@lwc/shared';
+import type { APIVersion } from '@lwc/shared/api-version';
 import type { Node } from 'estree';
 
 // structuredClone is only available in Node 17+
diff --git a/packages/@lwc/template-compiler/src/codegen/expression.ts b/packages/@lwc/template-compiler/src/codegen/expression.ts
index 35088eea89..7170f7aff2 100644
--- a/packages/@lwc/template-compiler/src/codegen/expression.ts
+++ b/packages/@lwc/template-compiler/src/codegen/expression.ts
@@ -7,7 +7,7 @@
 
 import { walk } from 'estree-walker';
 import { ParserDiagnostics, invariant } from '@lwc/errors';
-import { isBooleanAttribute } from '@lwc/shared';
+import { isBooleanAttribute } from '@lwc/shared/html-attributes';
 import * as t from '../shared/estree';
 import { TEMPLATE_PARAMS } from '../shared/constants';
 import { isProperty, isStringLiteral } from '../shared/ast';
diff --git a/packages/@lwc/template-compiler/src/codegen/helpers.ts b/packages/@lwc/template-compiler/src/codegen/helpers.ts
index b5887a1107..38ae92b86c 100644
--- a/packages/@lwc/template-compiler/src/codegen/helpers.ts
+++ b/packages/@lwc/template-compiler/src/codegen/helpers.ts
@@ -4,7 +4,8 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { APIFeature, IMPORTANT_FLAG, isAPIFeatureEnabled } from '@lwc/shared';
+import { APIFeature, isAPIFeatureEnabled } from '@lwc/shared/api-version';
+import { IMPORTANT_FLAG } from '@lwc/shared/style';
 import * as t from '../shared/estree';
 import { toPropertyName } from '../shared/utils';
 import { LWCDirectiveRenderMode } from '../shared/types';
diff --git a/packages/@lwc/template-compiler/src/codegen/index.ts b/packages/@lwc/template-compiler/src/codegen/index.ts
index 1ec8350198..fc4a9f9fab 100644
--- a/packages/@lwc/template-compiler/src/codegen/index.ts
+++ b/packages/@lwc/template-compiler/src/codegen/index.ts
@@ -6,15 +6,13 @@
  */
 import * as astring from 'astring';
 
-import {
-    isBooleanAttribute,
-    SVG_NAMESPACE,
-    LWC_VERSION_COMMENT,
-    isUndefined,
-    parseStyleText,
-} from '@lwc/shared';
+import { isUndefined } from '@lwc/shared/language';
 import { CompilerMetrics, generateCompilerError, TemplateErrors } from '@lwc/errors';
 
+import { isBooleanAttribute } from '@lwc/shared/html-attributes';
+import { parseStyleText } from '@lwc/shared/style';
+import { SVG_NAMESPACE } from '@lwc/shared/namespaces';
+import { LWC_VERSION_COMMENT } from '@lwc/shared/meta';
 import {
     isComment,
     isText,
diff --git a/packages/@lwc/template-compiler/src/codegen/static-element-serializer.ts b/packages/@lwc/template-compiler/src/codegen/static-element-serializer.ts
index ea44498094..774d04c2cb 100644
--- a/packages/@lwc/template-compiler/src/codegen/static-element-serializer.ts
+++ b/packages/@lwc/template-compiler/src/codegen/static-element-serializer.ts
@@ -4,12 +4,10 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import {
-    HTML_NAMESPACE,
-    htmlEscape,
-    isVoidElement,
-    normalizeStyleAttributeValue,
-} from '@lwc/shared';
+import { HTML_NAMESPACE } from '@lwc/shared/namespaces';
+import { normalizeStyleAttributeValue } from '@lwc/shared/style';
+import { htmlEscape } from '@lwc/shared/html-escape';
+import { isVoidElement } from '@lwc/shared/void-elements';
 import {
     isAllowedFragOnlyUrlsXHTML,
     isFragmentOnlyUrl,
diff --git a/packages/@lwc/template-compiler/src/codegen/static-element.ts b/packages/@lwc/template-compiler/src/codegen/static-element.ts
index 89dc42937c..f89c6650d4 100644
--- a/packages/@lwc/template-compiler/src/codegen/static-element.ts
+++ b/packages/@lwc/template-compiler/src/codegen/static-element.ts
@@ -4,15 +4,9 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import {
-    APIFeature,
-    ArrayEvery,
-    ArraySome,
-    HTML_NAMESPACE,
-    isAPIFeatureEnabled,
-    isArray,
-    isNull,
-} from '@lwc/shared';
+import { ArrayEvery, ArraySome, isArray, isNull } from '@lwc/shared/language';
+import { APIFeature, isAPIFeatureEnabled } from '@lwc/shared/api-version';
+import { HTML_NAMESPACE } from '@lwc/shared/namespaces';
 import {
     isBaseElement,
     isComment,
@@ -32,7 +26,7 @@ import type {
     StaticChildNode,
     Text,
 } from '../shared/types';
-import type { APIVersion } from '@lwc/shared';
+import type { APIVersion } from '@lwc/shared/api-version';
 
 // This set keeps track of static safe elements that have dynamic text in their direct children.
 const STATIC_ELEMENT_WITH_DYNAMIC_TEXT_SET = new WeakSet<StaticElement>();
diff --git a/packages/@lwc/template-compiler/src/config.ts b/packages/@lwc/template-compiler/src/config.ts
index dcf6169958..0b0d86341d 100644
--- a/packages/@lwc/template-compiler/src/config.ts
+++ b/packages/@lwc/template-compiler/src/config.ts
@@ -5,7 +5,8 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 import { TemplateErrors, invariant, generateCompilerError } from '@lwc/errors';
-import { getAPIVersionFromNumber, hasOwnProperty } from '@lwc/shared';
+import { hasOwnProperty } from '@lwc/shared/language';
+import { getAPIVersionFromNumber } from '@lwc/shared/api-version';
 import { isCustomElementTag } from './shared/utils';
 import type { CustomRendererConfig } from './shared/renderer-hooks';
 import type { InstrumentationObject } from '@lwc/errors';
diff --git a/packages/@lwc/template-compiler/src/parser/attribute.ts b/packages/@lwc/template-compiler/src/parser/attribute.ts
index 342781d406..1674054222 100644
--- a/packages/@lwc/template-compiler/src/parser/attribute.ts
+++ b/packages/@lwc/template-compiler/src/parser/attribute.ts
@@ -5,14 +5,9 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 import { ParserDiagnostics } from '@lwc/errors';
-import {
-    isAriaAttribute,
-    isBooleanAttribute,
-    isGlobalHtmlAttribute,
-    HTML_NAMESPACE,
-    SVG_NAMESPACE,
-    ID_REFERENCING_ATTRIBUTES_SET,
-} from '@lwc/shared';
+import { isBooleanAttribute, isGlobalHtmlAttribute } from '@lwc/shared/html-attributes';
+import { isAriaAttribute, ID_REFERENCING_ATTRIBUTES_SET } from '@lwc/shared/aria';
+import { HTML_NAMESPACE, SVG_NAMESPACE } from '@lwc/shared/namespaces';
 
 import { isComponent, isExternalComponent, isLwcComponent } from '../shared/ast';
 import { toPropertyName } from '../shared/utils';
diff --git a/packages/@lwc/template-compiler/src/parser/constants.ts b/packages/@lwc/template-compiler/src/parser/constants.ts
index d6010fd267..209f223540 100644
--- a/packages/@lwc/template-compiler/src/parser/constants.ts
+++ b/packages/@lwc/template-compiler/src/parser/constants.ts
@@ -4,12 +4,9 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import {
-    AriaAttrNameToPropNameMap,
-    ArrayFrom,
-    fromEntries,
-    SPECIAL_PROPERTY_ATTRIBUTE_MAPPING,
-} from '@lwc/shared';
+import { ArrayFrom, fromEntries } from '@lwc/shared/language';
+import { AriaAttrNameToPropNameMap } from '@lwc/shared/aria';
+import { SPECIAL_PROPERTY_ATTRIBUTE_MAPPING } from '@lwc/shared/html-attributes';
 import { ElementDirectiveName } from '../shared/types';
 import { HTML_ELEMENTS } from './utils/html-elements';
 import { SVG_ELEMENTS } from './utils/svg-elements';
diff --git a/packages/@lwc/template-compiler/src/parser/expression-complex/index.ts b/packages/@lwc/template-compiler/src/parser/expression-complex/index.ts
index 4d12fa4445..7bcf345ef4 100644
--- a/packages/@lwc/template-compiler/src/parser/expression-complex/index.ts
+++ b/packages/@lwc/template-compiler/src/parser/expression-complex/index.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { APIFeature, isAPIFeatureEnabled } from '@lwc/shared';
+import { APIFeature, isAPIFeatureEnabled } from '@lwc/shared/api-version';
 import type ParserCtx from '../parser';
 
 export * from './types';
diff --git a/packages/@lwc/template-compiler/src/parser/html.ts b/packages/@lwc/template-compiler/src/parser/html.ts
index f7e563cec3..9dd2857474 100644
--- a/packages/@lwc/template-compiler/src/parser/html.ts
+++ b/packages/@lwc/template-compiler/src/parser/html.ts
@@ -8,7 +8,7 @@ import * as parse5 from 'parse5';
 import * as he from 'he';
 
 import { ParserDiagnostics } from '@lwc/errors';
-import { APIFeature, isAPIFeatureEnabled } from '@lwc/shared';
+import { APIFeature, isAPIFeatureEnabled } from '@lwc/shared/api-version';
 import { sourceLocation } from '../shared/ast';
 
 import { errorCodesToErrorOn, errorCodesToWarnOnInOlderAPIVersions } from './parse5Errors';
@@ -36,7 +36,10 @@ function getLwcErrorFromParse5Error(ctx: ParserCtx, code: string) {
     }
 }
 
-export function parseHTML(ctx: ParserCtx, source: string) {
+export function parseHTML(
+    ctx: ParserCtx,
+    source: string
+): parse5.DefaultTreeAdapterTypes.DocumentFragment {
     const onParseError = (err: parse5.ParserError) => {
         const { code, ...location } = err;
 
diff --git a/packages/@lwc/template-compiler/src/parser/index.ts b/packages/@lwc/template-compiler/src/parser/index.ts
index 995bad66bb..4c8331ec2d 100644
--- a/packages/@lwc/template-compiler/src/parser/index.ts
+++ b/packages/@lwc/template-compiler/src/parser/index.ts
@@ -4,14 +4,9 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import {
-    HTML_NAMESPACE,
-    SVG_NAMESPACE,
-    MATHML_NAMESPACE,
-    isVoidElement,
-    isUndefined,
-    isNull,
-} from '@lwc/shared';
+import { isUndefined, isNull } from '@lwc/shared/language';
+import { HTML_NAMESPACE, SVG_NAMESPACE, MATHML_NAMESPACE } from '@lwc/shared/namespaces';
+import { isVoidElement } from '@lwc/shared/void-elements';
 import { ParserDiagnostics, DiagnosticLevel, CompilerMetrics } from '@lwc/errors';
 import * as parse5Tools from '@parse5/tools';
 
diff --git a/packages/@lwc/template-compiler/src/parser/parser.ts b/packages/@lwc/template-compiler/src/parser/parser.ts
index aefab34fac..d9ae8a2d6c 100644
--- a/packages/@lwc/template-compiler/src/parser/parser.ts
+++ b/packages/@lwc/template-compiler/src/parser/parser.ts
@@ -19,7 +19,7 @@ import type {
     Location,
     LWCErrorInfo,
 } from '@lwc/errors';
-import type { APIVersion } from '@lwc/shared';
+import type { APIVersion } from '@lwc/shared/api-version';
 import type { NormalizedConfig } from '../config';
 import type {
     Root,
diff --git a/packages/@lwc/template-compiler/src/parser/utils/html-element-attributes.ts b/packages/@lwc/template-compiler/src/parser/utils/html-element-attributes.ts
index 65656a67ff..5d258d50de 100644
--- a/packages/@lwc/template-compiler/src/parser/utils/html-element-attributes.ts
+++ b/packages/@lwc/template-compiler/src/parser/utils/html-element-attributes.ts
@@ -29,7 +29,7 @@
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
-import { hasOwnProperty } from '@lwc/shared';
+import { hasOwnProperty } from '@lwc/shared/language';
 
 // This mapping is based on https://github.com/wooorm/html-element-attributes/blob/270d8ce/index.js
 // TODO [#3019]: use the package directly instead of vendor'ing it
diff --git a/packages/@lwc/template-compiler/src/shared/ast.ts b/packages/@lwc/template-compiler/src/shared/ast.ts
index 016d582943..d5795b28e1 100644
--- a/packages/@lwc/template-compiler/src/shared/ast.ts
+++ b/packages/@lwc/template-compiler/src/shared/ast.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { HTML_NAMESPACE } from '@lwc/shared';
+import { HTML_NAMESPACE } from '@lwc/shared/namespaces';
 import type { Token as parse5TokenInfo } from 'parse5';
 import type {
     Literal,
diff --git a/packages/@lwc/template-compiler/src/shared/utils.ts b/packages/@lwc/template-compiler/src/shared/utils.ts
index fa5e7b16de..9e5cbb4f94 100644
--- a/packages/@lwc/template-compiler/src/shared/utils.ts
+++ b/packages/@lwc/template-compiler/src/shared/utils.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { StringCharAt } from '@lwc/shared';
+import { StringCharAt } from '@lwc/shared/language';
 import { DASHED_TAGNAME_ELEMENT_SET } from './constants';
 
 export function toPropertyName(attr: string) {
diff --git a/packages/@lwc/wire-service/src/index.ts b/packages/@lwc/wire-service/src/index.ts
index e92cb0de44..94756c09e0 100644
--- a/packages/@lwc/wire-service/src/index.ts
+++ b/packages/@lwc/wire-service/src/index.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-import { isUndefined } from '@lwc/shared';
+import { isUndefined } from '@lwc/shared/language';
 import { ValueChangedEvent } from './value-changed-event';
 import type { WireConfigValue, WireAdapter, WireDataCallback } from '@lwc/engine-core';
 
diff --git a/packages/lwc/__tests__/isomorphic-exports.spec.ts b/packages/lwc/__tests__/isomorphic-exports.spec.ts
index 18fcb5e791..d04c868aac 100644
--- a/packages/lwc/__tests__/isomorphic-exports.spec.ts
+++ b/packages/lwc/__tests__/isomorphic-exports.spec.ts
@@ -35,9 +35,6 @@ describe('isomorphic package exports', () => {
         for (const exp of superExports) {
             baseExports.delete(exp);
         }
-        expect(Array.from(baseExports)).toEqual([
-            // Exports that intentionally only exist in @lwc/engine-server
-            'default', // artifact of interop support
-        ]);
+        expect(Array.from(baseExports)).toEqual([]);
     });
 });
diff --git a/packages/lwc/shared.d.ts b/packages/lwc/shared.d.ts
index 2e105cba3a..58291bdd6a 100644
--- a/packages/lwc/shared.d.ts
+++ b/packages/lwc/shared.d.ts
@@ -4,4 +4,4 @@
  * SPDX-License-Identifier: MIT
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
-export type * from '@lwc/shared';
+export type * from '@lwc/shared/language';
diff --git a/scripts/rollup/package.json b/scripts/rollup/package.json
new file mode 100644
index 0000000000..cf76f3cb6c
--- /dev/null
+++ b/scripts/rollup/package.json
@@ -0,0 +1,7 @@
+{
+    "name": "@lwc/rollup-config",
+    "version": "0.0.0",
+    "private": true,
+    "type": "module",
+    "module": "rollup.config.js"
+}
diff --git a/scripts/rollup/rollup.config.js b/scripts/rollup/rollup.config.js
index ca267b48de..b782637481 100644
--- a/scripts/rollup/rollup.config.js
+++ b/scripts/rollup/rollup.config.js
@@ -5,28 +5,37 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
+// @ts-check
 /* eslint-env node */
 
-const { readFileSync } = require('node:fs');
-const path = require('node:path');
-const MagicString = require('magic-string');
-const { rollup } = require('rollup');
-const replace = require('@rollup/plugin-replace');
-const typescript = require('@rollup/plugin-typescript');
-const { nodeResolve } = require('@rollup/plugin-node-resolve');
-const { BUNDLED_DEPENDENCIES } = require('../shared/bundled-dependencies.js');
+import { readFileSync } from 'node:fs';
+import { resolve, join, relative, extname } from 'node:path';
+import { globSync } from 'glob';
+import MagicString from 'magic-string';
+import { rollup } from 'rollup';
+import replace from '@rollup/plugin-replace';
+import typescript from '@rollup/plugin-typescript';
+import { nodeResolve } from '@rollup/plugin-node-resolve';
+import { BUNDLED_DEPENDENCIES } from '../shared/bundled-dependencies.js';
 
 // The assumption is that the build script for each sub-package runs in that sub-package's directory
 const packageRoot = process.cwd();
-const packageJson = JSON.parse(readFileSync(path.resolve(packageRoot, './package.json'), 'utf-8'));
-const { name: packageName, version, dependencies, peerDependencies } = packageJson;
+
+/**
+ * @type {import('nx/src/utils/package-json.js').PackageJson}
+ */
+const pkg = JSON.parse(readFileSync(resolve(packageRoot, './package.json'), 'utf-8'));
 // This copyright text should match the text in the header/header eslint rule
 let banner = `/**\n * Copyright (c) ${new Date().getFullYear()} Salesforce, Inc.\n */`;
-let footer = `/** version: ${version} */`;
+let footer = `/** version: ${pkg.version} */`;
 const { ROLLUP_WATCH: watchMode } = process.env;
+
+/**
+ * @type {import('rollup').ModuleFormat[]}
+ */
 const formats = ['es', 'cjs'];
 
-if (packageName === '@lwc/synthetic-shadow') {
+if (pkg.name === '@lwc/synthetic-shadow') {
     // Here we wrap all of synthetic shadow in a check for lwcRuntimeFlags.ENABLE_FORCE_SHADOW_MIGRATE_MODE and
     // lwcRuntimeFlags.DISABLE_SYNTHETIC_SHADOW, so that synthetic shadow is not loaded if either flag is set.
     // Note that lwcRuntimeFlags must be referenced as a pure global, or else string replacement in ESBuild
@@ -43,6 +52,9 @@ if (packageName === '@lwc/synthetic-shadow') {
     footer += '\n}';
 }
 
+/**
+ * @type {import('rollup').WarningHandlerWithDefault} warning
+ */
 const onwarn = ({ code, message }) => {
     if (!process.env.ROLLUP_WATCH && code !== 'CIRCULAR_DEPENDENCY') {
         throw new Error(message);
@@ -50,16 +62,19 @@ const onwarn = ({ code, message }) => {
 };
 
 // These plugins are used both by the main Rollup build as well as our sub-Rollup build (injectInlineRenderer).
+/**
+ * @returns {import('rollup').Plugin[]}
+ */
 function sharedPlugins() {
-    const engineBrowserConfig = ['@lwc/engine-server', '@lwc/engine-dom'].includes(packageName) && {
+    const engineBrowserConfig = ['@lwc/engine-server', '@lwc/engine-dom'].includes(pkg.name) && {
         // This is only used inside @lwc/engine-dom and @lwc/engine-server
         // Elsewhere, it _not_ be replaced, so that it can be replaced later (e.g. in @lwc/engine-core)
-        'process.env.IS_BROWSER': packageName === '@lwc/engine-dom' ? 'true' : 'false',
+        'process.env.IS_BROWSER': pkg.name === '@lwc/engine-dom' ? 'true' : 'false',
     };
 
     return [
         typescript({
-            tsconfig: path.join(packageRoot, 'tsconfig.json'),
+            tsconfig: join(packageRoot, 'tsconfig.json'),
             exclude: ['**/__tests__/**'],
             noEmitOnError: !watchMode, // in watch mode, do not exit with an error if typechecking fails
             ...(watchMode && {
@@ -71,7 +86,7 @@ function sharedPlugins() {
         replace({
             values: {
                 ...engineBrowserConfig,
-                'process.env.LWC_VERSION': JSON.stringify(version),
+                'process.env.LWC_VERSION': JSON.stringify(pkg.version),
             },
             preventAssignment: true,
         }),
@@ -83,6 +98,9 @@ function sharedPlugins() {
 // The reasons for this are due to how Locker does sandboxing.
 // So we run Rollup inside of a Rollup plugin to accomplish this. This resolves all dependencies and
 // builds them as an IIFE, which can then be injected into the source as process.env.RENDERER.
+/**
+ * @returns {import('rollup').Plugin}
+ */
 function injectInlineRenderer() {
     const rendererReplacementString = 'process.env.RENDERER';
 
@@ -92,8 +110,8 @@ function injectInlineRenderer() {
         async transform(source) {
             if (source.includes(rendererReplacementString)) {
                 const bundle = await rollup({
-                    input: path.resolve(
-                        __dirname,
+                    input: resolve(
+                        import.meta.dirname,
                         '../../packages/@lwc/engine-dom/src/renderer/index.ts'
                     ),
 
@@ -136,18 +154,13 @@ function injectInlineRenderer() {
     };
 }
 
-module.exports = {
-    input: path.resolve(packageRoot, './src/index.ts'),
+/**
+ * @type {import('rollup').RollupOptions}
+ */
+export default {
+    input: generateInputConfig(),
 
-    output: formats.map((format) => ({
-        file: `dist/index${format === 'cjs' ? '.cjs' : ''}.js`,
-        sourcemap: true,
-        format,
-        banner,
-        footer,
-        exports: 'named',
-        esModule: true,
-    })),
+    output: formats.map(createOutputConfig),
 
     plugins: [
         nodeResolve({
@@ -164,5 +177,57 @@ module.exports = {
 
     onwarn,
 
-    external: [...Object.keys(dependencies || {}), ...Object.keys(peerDependencies || {})],
+    external: [...Object.keys(pkg.dependencies || {}), ...Object.keys(pkg.peerDependencies || {})],
 };
+
+/**
+ * @returns {import('rollup').InputOption}
+ */
+function generateInputConfig() {
+    if (pkg.name === '@lwc/shared') {
+        return Object.fromEntries(
+            globSync('src/*.ts', { root: packageRoot }).map((file) => [
+                // This remove `src/` as well as the file extension from each
+                // file, so e.g. src/nested/foo.js becomes nested/foo
+                relative(`${packageRoot}/src`, file.slice(0, file.length - extname(file).length)),
+                // This expands the relative paths to absolute paths, so e.g.
+                // src/nested/foo becomes /project/src/nested/foo.js
+                resolve(packageRoot, file),
+            ])
+        );
+    }
+    return resolve(packageRoot, './src/index.ts');
+}
+
+/**
+ * @param {import('rollup').ModuleFormat} format
+ * @returns {import('rollup').OutputOptions}
+ */
+function createOutputConfig(format) {
+    if (pkg.name === '@lwc/shared') {
+        const ext = format === 'es' ? 'js' : `${format}.js`;
+
+        
+        return {
+            dir: 'dist',
+            sourcemap: true,
+            format,
+            banner,
+            footer,
+            exports: 'named',
+            esModule: true,
+            preserveModules: true,
+            entryFileNames: `[name].${ext}`,
+        };
+    }
+
+    return {
+        file: format === 'es' ? pkg.module : pkg.main,
+        sourcemap: true,
+        format,
+        banner,
+        footer,
+        exports: 'named',
+        esModule: true,
+    };
+}
diff --git a/scripts/tasks/check-and-rewrite-package-json.js b/scripts/tasks/check-and-rewrite-package-json.js
index cf3c5e6fab..7c4691173e 100644
--- a/scripts/tasks/check-and-rewrite-package-json.js
+++ b/scripts/tasks/check-and-rewrite-package-json.js
@@ -47,7 +47,8 @@ for (const dir of globSync('./packages/@lwc/*')) {
         continue;
     }
 
-    const { name, description, version, dependencies, devDependencies, peerDependencies } = pkg;
+    const { name, description, version, dependencies, devDependencies, peerDependencies, exports } =
+        pkg;
     let { keywords } = pkg;
 
     // Keywords aren't really important, but keep any that already exist and add 'lwc'
@@ -72,6 +73,7 @@ for (const dir of globSync('./packages/@lwc/*')) {
             types: 'dist/index.d.ts',
             // It's important _not_ to use `./dist` here (with the `./`), because npm does not understand that
             files: ['dist/**/*.js', 'dist/**/*.d.ts'],
+            ...(exports && { exports }),
             scripts: {
                 build: 'rollup --config ../../../scripts/rollup/rollup.config.js',
                 dev: 'rollup  --config ../../../scripts/rollup/rollup.config.js --watch --no-watch.clearScreen',
diff --git a/scripts/test-utils/format-html.ts b/scripts/test-utils/format-html.ts
index 18a0b27ef6..cfe5d064d1 100644
--- a/scripts/test-utils/format-html.ts
+++ b/scripts/test-utils/format-html.ts
@@ -5,7 +5,8 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-import { HTML_NAMESPACE, isVoidElement } from '@lwc/shared';
+import { HTML_NAMESPACE } from '@lwc/shared/namespaces';
+import { isVoidElement } from '@lwc/shared/void-elements';
 
 /**
  * Naive HTML fragment formatter.
diff --git a/tsconfig.json b/tsconfig.json
index 2774c7162d..61ed0cedeb 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -6,8 +6,10 @@
         "declarationMap": true,
         "sourceMap": true,
 
-        "module": "commonjs",
-        "moduleResolution": "node",
+        "module": "Preserve",
+        "moduleResolution": "bundler",
+        "moduleDetection": "force",
+        "resolvePackageJsonExports": true,
         "esModuleInterop": true,
 
         "target": "es2021",
diff --git a/vitest.shared.mjs b/vitest.shared.mjs
index 43908edc09..5b81640cbc 100644
--- a/vitest.shared.mjs
+++ b/vitest.shared.mjs
@@ -11,28 +11,6 @@ export default defineConfig({
             printBasicPrototype: true,
             callToJSON: true,
         },
-        // To properly resolve `const enum`, we need to point to the TypeScript source files
-        // See https://github.com/vitest-dev/vitest/discussions/3964
-        // Using `src` also ensures that the test coverage is accurately reported
-        alias: Object.fromEntries(
-            [
-                'aria-reflection',
-                'babel-plugin-component',
-                'compiler',
-                'errors',
-                'features',
-                'module-resolver',
-                'rollup-plugin',
-                'shared',
-                'signals',
-                'ssr-compiler',
-                'ssr-runtime',
-                'style-compiler',
-                'synthetic-shadow',
-                'template-compiler',
-                'wire-service',
-            ].map((dep) => [`@lwc/${dep}`, `@lwc/${dep}/src`])
-        ),
     },
     define: {
         'process.env.LWC_VERSION': JSON.stringify(pkg.version),
diff --git a/yarn.lock b/yarn.lock
index df389be172..d0f9dcf540 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3014,10 +3014,10 @@
     "@typescript-eslint/types" "8.20.0"
     eslint-visitor-keys "^4.2.0"
 
-"@vitest/coverage-v8@^3.0.3":
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/@vitest/coverage-v8/-/coverage-v8-3.0.3.tgz#8e7339b0b2ec36b0d1facd43f73d96ce185301bf"
-  integrity sha512-uVbJ/xhImdNtzPnLyxCZJMTeTIYdgcC2nWtBBBpR1H6z0w8m7D+9/zrDIx2nNxgMg9r+X8+RY2qVpUDeW2b3nw==
+"@vitest/coverage-v8@^3.0.4":
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/@vitest/coverage-v8/-/coverage-v8-3.0.4.tgz#01b2d295cf664be9545228f364fa6495bc066a45"
+  integrity sha512-f0twgRCHgbs24Dp8cLWagzcObXMcuKtAwgxjJV/nnysPAJJk1JiKu/W0gIehZLmkljhJXU/E0/dmuQzsA/4jhA==
   dependencies:
     "@ampproject/remapping" "^2.3.0"
     "@bcoe/v8-coverage" "^1.0.2"
@@ -3037,22 +3037,22 @@
   resolved "https://registry.yarnpkg.com/@vitest/eslint-plugin/-/eslint-plugin-1.1.25.tgz#0e2ed719844b52edc88a0467f11f80162ebbebf0"
   integrity sha512-u8DpDnMbPcqBmJOB4PeEtn6q7vKmLVTLFMpzoxSAo0hjYdl4iYSHRleqwPQo0ywc7UV0S6RKIahYRQ3BnZdMVw==
 
-"@vitest/expect@3.0.3":
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/@vitest/expect/-/expect-3.0.3.tgz#a83af04a68e70a9af8aa6f68442a696b4bc599c5"
-  integrity sha512-SbRCHU4qr91xguu+dH3RUdI5dC86zm8aZWydbp961aIR7G8OYNN6ZiayFuf9WAngRbFOfdrLHCGgXTj3GtoMRQ==
+"@vitest/expect@3.0.4":
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/@vitest/expect/-/expect-3.0.4.tgz#95c0a73980e99a30d3994c35b4468c4bb257d093"
+  integrity sha512-Nm5kJmYw6P2BxhJPkO3eKKhGYKRsnqJqf+r0yOGRKpEP+bSCBDsjXgiu1/5QFrnPMEgzfC38ZEjvCFgaNBC0Eg==
   dependencies:
-    "@vitest/spy" "3.0.3"
-    "@vitest/utils" "3.0.3"
+    "@vitest/spy" "3.0.4"
+    "@vitest/utils" "3.0.4"
     chai "^5.1.2"
     tinyrainbow "^2.0.0"
 
-"@vitest/mocker@3.0.3":
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/@vitest/mocker/-/mocker-3.0.3.tgz#f63a7e2e93fecaab1046038f3a9f60ea6b369173"
-  integrity sha512-XT2XBc4AN9UdaxJAeIlcSZ0ILi/GzmG5G8XSly4gaiqIvPV3HMTSIDZWJVX6QRJ0PX1m+W8Cy0K9ByXNb/bPIA==
+"@vitest/mocker@3.0.4":
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/@vitest/mocker/-/mocker-3.0.4.tgz#91eba38f720d47aa708d1bcc5e4c7d885b1fc435"
+  integrity sha512-gEef35vKafJlfQbnyOXZ0Gcr9IBUsMTyTLXsEQwuyYAerpHqvXhzdBnDFuHLpFqth3F7b6BaFr4qV/Cs1ULx5A==
   dependencies:
-    "@vitest/spy" "3.0.3"
+    "@vitest/spy" "3.0.4"
     estree-walker "^3.0.3"
     magic-string "^0.30.17"
 
@@ -3063,29 +3063,29 @@
   dependencies:
     tinyrainbow "^1.2.0"
 
-"@vitest/pretty-format@3.0.3", "@vitest/pretty-format@^3.0.3":
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/@vitest/pretty-format/-/pretty-format-3.0.3.tgz#4bd59463d1c944c22287c3da2060785269098183"
-  integrity sha512-gCrM9F7STYdsDoNjGgYXKPq4SkSxwwIU5nkaQvdUxiQ0EcNlez+PdKOVIsUJvh9P9IeIFmjn4IIREWblOBpP2Q==
+"@vitest/pretty-format@3.0.4", "@vitest/pretty-format@^3.0.4":
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/@vitest/pretty-format/-/pretty-format-3.0.4.tgz#18d5da3bad9a0eebf49f5c5daa84d0d5f7d2bbfa"
+  integrity sha512-ts0fba+dEhK2aC9PFuZ9LTpULHpY/nd6jhAQ5IMU7Gaj7crPCTdCFfgvXxruRBLFS+MLraicCuFXxISEq8C93g==
   dependencies:
     tinyrainbow "^2.0.0"
 
-"@vitest/runner@3.0.3":
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/@vitest/runner/-/runner-3.0.3.tgz#c123e3225ccdd52c5a8e45edb59340ec8dcb6df2"
-  integrity sha512-Rgi2kOAk5ZxWZlwPguRJFOBmWs6uvvyAAR9k3MvjRvYrG7xYvKChZcmnnpJCS98311CBDMqsW9MzzRFsj2gX3g==
+"@vitest/runner@3.0.4":
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/@vitest/runner/-/runner-3.0.4.tgz#5bdc965c32721c7cf025481124f73589deea313a"
+  integrity sha512-dKHzTQ7n9sExAcWH/0sh1elVgwc7OJ2lMOBrAm73J7AH6Pf9T12Zh3lNE1TETZaqrWFXtLlx3NVrLRb5hCK+iw==
   dependencies:
-    "@vitest/utils" "3.0.3"
-    pathe "^2.0.1"
+    "@vitest/utils" "3.0.4"
+    pathe "^2.0.2"
 
-"@vitest/snapshot@3.0.3":
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/@vitest/snapshot/-/snapshot-3.0.3.tgz#a20a8cfa0e7434ef94f4dff40d946a57922119de"
-  integrity sha512-kNRcHlI4txBGztuJfPEJ68VezlPAXLRT1u5UCx219TU3kOG2DplNxhWLwDf2h6emwmTPogzLnGVwP6epDaJN6Q==
+"@vitest/snapshot@3.0.4":
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/@vitest/snapshot/-/snapshot-3.0.4.tgz#7e64c19ca1ab9abb2f01fd246817b5f0404798fd"
+  integrity sha512-+p5knMLwIk7lTQkM3NonZ9zBewzVp9EVkVpvNta0/PlFWpiqLaRcF4+33L1it3uRUCh0BGLOaXPPGEjNKfWb4w==
   dependencies:
-    "@vitest/pretty-format" "3.0.3"
+    "@vitest/pretty-format" "3.0.4"
     magic-string "^0.30.17"
-    pathe "^2.0.1"
+    pathe "^2.0.2"
 
 "@vitest/snapshot@^2.0.5", "@vitest/snapshot@^2.1.1":
   version "2.1.8"
@@ -3096,32 +3096,32 @@
     magic-string "^0.30.12"
     pathe "^1.1.2"
 
-"@vitest/spy@3.0.3":
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/@vitest/spy/-/spy-3.0.3.tgz#ea4e5f7f8b3513e3ac0e556557e4ed339edc82e8"
-  integrity sha512-7/dgux8ZBbF7lEIKNnEqQlyRaER9nkAL9eTmdKJkDO3hS8p59ATGwKOCUDHcBLKr7h/oi/6hP+7djQk8049T2A==
+"@vitest/spy@3.0.4":
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/@vitest/spy/-/spy-3.0.4.tgz#966fd3422ba093568a6a33c437751a91061f8622"
+  integrity sha512-sXIMF0oauYyUy2hN49VFTYodzEAu744MmGcPR3ZBsPM20G+1/cSW/n1U+3Yu/zHxX2bIDe1oJASOkml+osTU6Q==
   dependencies:
     tinyspy "^3.0.2"
 
-"@vitest/ui@^3.0.3":
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/@vitest/ui/-/ui-3.0.3.tgz#5dd455981935172eda4a9a4979f589b33bbcbd09"
-  integrity sha512-kGavHxFA3dETa61mgzdvxc3u/JSCiHR2o/0Z99IE8EAwtFxSLZeb2MofPKNVCPY3IAIcTx4blH57BJ1GuiRAUA==
+"@vitest/ui@^3.0.4":
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/@vitest/ui/-/ui-3.0.4.tgz#751e5ec7e00201adeb0a75a07e57f34c9c9b6eb4"
+  integrity sha512-e+s2F9e9FUURkZ5aFIe1Fi3Y8M7UF6gEuShcaV/ur7y/Ldri+1tzWQ1TJq9Vas42NXnXvCAIrU39Z4U2RyET6g==
   dependencies:
-    "@vitest/utils" "3.0.3"
+    "@vitest/utils" "3.0.4"
     fflate "^0.8.2"
     flatted "^3.3.2"
-    pathe "^2.0.1"
+    pathe "^2.0.2"
     sirv "^3.0.0"
     tinyglobby "^0.2.10"
     tinyrainbow "^2.0.0"
 
-"@vitest/utils@3.0.3":
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/@vitest/utils/-/utils-3.0.3.tgz#25d5a2e0cd0b5529132b76482fd48139ca56c197"
-  integrity sha512-f+s8CvyzPtMFY1eZKkIHGhPsQgYo5qCm6O8KZoim9qm1/jT64qBgGpO5tHscNH6BzRHM+edLNOP+3vO8+8pE/A==
+"@vitest/utils@3.0.4":
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/@vitest/utils/-/utils-3.0.4.tgz#9dd2336170097b20a6e5b778bb5ea7786cc56008"
+  integrity sha512-8BqC1ksYsHtbWH+DfpOAKrFw3jl3Uf9J7yeFh85Pz52IWuh1hBBtyfEbRNNZNjl8H8A5yMLH9/t+k7HIKzQcZQ==
   dependencies:
-    "@vitest/pretty-format" "3.0.3"
+    "@vitest/pretty-format" "3.0.4"
     loupe "^3.1.2"
     tinyrainbow "^2.0.0"
 
@@ -9922,7 +9922,7 @@ pathe@^1.1.2:
   resolved "https://registry.yarnpkg.com/pathe/-/pathe-1.1.2.tgz#6c4cb47a945692e48a1ddd6e4094d170516437ec"
   integrity sha512-whLdWMYL2TwI08hn8/ZqAbrVemu0LNaNNJZX73O6qaIdCTfXutsLhMkjdENX0qhsQ9uIimo4/aQOmXkoon2nDQ==
 
-pathe@^2.0.1:
+pathe@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/pathe/-/pathe-2.0.2.tgz#5ed86644376915b3c7ee4d00ac8c348d671da3a5"
   integrity sha512-15Ztpk+nov8DR524R4BF7uEuzESgzUEAV4Ah7CUMNGXdE5ELuvxElxGXndBl32vMSsWa1jpNf22Z+Er3sKwq+w==
@@ -12370,15 +12370,15 @@ vary@^1, vary@^1.1.2, vary@~1.1.2:
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
   integrity sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==
 
-vite-node@3.0.3:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/vite-node/-/vite-node-3.0.3.tgz#2127458eae8c78b92f609f4c84d613599cd14317"
-  integrity sha512-0sQcwhwAEw/UJGojbhOrnq3HtiZ3tC7BzpAa0lx3QaTX0S3YX70iGcik25UBdB96pmdwjyY2uyKNYruxCDmiEg==
+vite-node@3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/vite-node/-/vite-node-3.0.4.tgz#6db5bc4c182baf04986265d46bc3193c5491f41f"
+  integrity sha512-7JZKEzcYV2Nx3u6rlvN8qdo3QV7Fxyt6hx+CCKz9fbWxdX5IvUOmTWEAxMrWxaiSf7CKGLJQ5rFu8prb/jBjOA==
   dependencies:
     cac "^6.7.14"
     debug "^4.4.0"
     es-module-lexer "^1.6.0"
-    pathe "^2.0.1"
+    pathe "^2.0.2"
     vite "^5.0.0 || ^6.0.0"
 
 "vite@^5.0.0 || ^6.0.0":
@@ -12392,30 +12392,30 @@ vite-node@3.0.3:
   optionalDependencies:
     fsevents "~2.3.3"
 
-vitest@^3.0.3:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/vitest/-/vitest-3.0.3.tgz#e7bcf3ba82e4a18f1f2c5083b3d989cd344cb78c"
-  integrity sha512-dWdwTFUW9rcnL0LyF2F+IfvNQWB0w9DERySCk8VMG75F8k25C7LsZoh6XfCjPvcR8Nb+Lqi9JKr6vnzH7HSrpQ==
-  dependencies:
-    "@vitest/expect" "3.0.3"
-    "@vitest/mocker" "3.0.3"
-    "@vitest/pretty-format" "^3.0.3"
-    "@vitest/runner" "3.0.3"
-    "@vitest/snapshot" "3.0.3"
-    "@vitest/spy" "3.0.3"
-    "@vitest/utils" "3.0.3"
+vitest@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/vitest/-/vitest-3.0.4.tgz#c1d1c7ed1b21308906cd06d9cdee28b2eefddf97"
+  integrity sha512-6XG8oTKy2gnJIFTHP6LD7ExFeNLxiTkK3CfMvT7IfR8IN+BYICCf0lXUQmX7i7JoxUP8QmeP4mTnWXgflu4yjw==
+  dependencies:
+    "@vitest/expect" "3.0.4"
+    "@vitest/mocker" "3.0.4"
+    "@vitest/pretty-format" "^3.0.4"
+    "@vitest/runner" "3.0.4"
+    "@vitest/snapshot" "3.0.4"
+    "@vitest/spy" "3.0.4"
+    "@vitest/utils" "3.0.4"
     chai "^5.1.2"
     debug "^4.4.0"
     expect-type "^1.1.0"
     magic-string "^0.30.17"
-    pathe "^2.0.1"
+    pathe "^2.0.2"
     std-env "^3.8.0"
     tinybench "^2.9.0"
     tinyexec "^0.3.2"
     tinypool "^1.0.2"
     tinyrainbow "^2.0.0"
     vite "^5.0.0 || ^6.0.0"
-    vite-node "3.0.3"
+    vite-node "3.0.4"
     why-is-node-running "^2.3.0"
 
 void-elements@^2.0.0: