🐛 [firebase_messaging] iOS 16, killed app stops to receive notifications

[awaik]

Bug report

iOS 16, if the app is killed (swipe up), after some time or after other apps have opened, _firebaseMessagingBackgroundHandler stops to be called and the app can't display notifications.

Steps to reproduce

Steps to reproduce the behavior:

1. Example app
2. Run the app in the release mode, iOS 16
3. Kill the app (swipe app). After that in a few minutes, the app receives pushes.
4. Open another 2 apps, for example, google maps and etc.
5. The app stops receiving pushes.

Expected behavior

The killed app should receive pushes even after few hours after it was terminated.

Sample project

firebase_messaging example app

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Flutter doctor

Run flutter doctor and paste the output below:

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Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.3.6, on macOS 12.6 21G115 darwin-arm, locale
    en-DE)
[✓] Android toolchain - develop for Android devices (Android SDK version 33.0.0)
[✓] Xcode - develop for iOS and macOS (Xcode 14.0.1)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2021.3)
[✓] IntelliJ IDEA Community Edition (version 2022.2.2)
[✓] VS Code (version 1.72.2)
[✓] Connected device (4 available)
[✓] HTTP Host Availability

• No issues found!

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Flutter dependencies

Run flutter pub deps -- --style=compact and paste the output below:

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Dart SDK 2.18.2
Flutter SDK 3.3.6
firebase_messaging_example 0.0.0

dependencies:
- firebase_core 2.1.1 [firebase_core_platform_interface firebase_core_web flutter meta]
- firebase_messaging 14.0.3 [firebase_core firebase_core_platform_interface firebase_messaging_platform_interface firebase_messaging_web flutter meta]
- flutter 0.0.0 [characters collection material_color_utilities meta vector_math sky_engine]
- flutter_local_notifications 9.9.1 [clock flutter flutter_local_notifications_linux flutter_local_notifications_platform_interface timezone]
- http 0.13.5 [async http_parser meta path]

dependency overrides:
- _flutterfire_internals 1.0.6 [cloud_firestore_platform_interface cloud_firestore_web collection firebase_core firebase_core_platform_interface flutter meta]
- firebase_core 2.1.1 [firebase_core_platform_interface firebase_core_web flutter meta]
- firebase_core_platform_interface 4.5.2 [collection flutter flutter_test meta plugin_platform_interface]
- firebase_core_web 2.0.1 [firebase_core_platform_interface flutter flutter_web_plugins js meta]
- firebase_messaging 14.0.3 [firebase_core firebase_core_platform_interface firebase_messaging_platform_interface firebase_messaging_web flutter meta]
- firebase_messaging_platform_interface 4.2.4 [_flutterfire_internals firebase_core flutter meta plugin_platform_interface]
- firebase_messaging_web 3.2.4 [_flutterfire_internals firebase_core firebase_core_web firebase_messaging_platform_interface flutter flutter_web_plugins js meta]
- plugin_platform_interface 2.1.3 [meta]

transitive dependencies:
- args 2.3.1
- async 2.9.0 [collection meta]
- boolean_selector 2.1.0 [source_span string_scanner]
- characters 1.2.1
- clock 1.1.1
- cloud_firestore_platform_interface 5.8.3 [_flutterfire_internals collection firebase_core flutter meta plugin_platform_interface]
- cloud_firestore_web 3.0.3 [_flutterfire_internals cloud_firestore_platform_interface collection firebase_core firebase_core_web flutter flutter_web_plugins js]
- collection 1.16.0
- dbus 0.7.8 [args ffi meta xml]
- fake_async 1.3.1 [clock collection]
- ffi 2.0.1
- file 6.1.4 [meta path]
- flutter_local_notifications_linux 0.5.1 [flutter flutter_local_notifications_platform_interface dbus path xdg_directories]
- flutter_local_notifications_platform_interface 5.0.0 [flutter plugin_platform_interface]
- flutter_test 0.0.0 [flutter test_api path fake_async clock stack_trace vector_math async boolean_selector characters collection matcher material_color_utilities meta source_span stream_channel string_scanner term_glyph]
- flutter_web_plugins 0.0.0 [flutter js characters collection material_color_utilities meta vector_math]
- http_parser 4.0.2 [collection source_span string_scanner typed_data]
- js 0.6.4
- matcher 0.12.12 [stack_trace]
- material_color_utilities 0.1.5
- meta 1.8.0
- path 1.8.2
- petitparser 5.1.0 [meta]
- platform 3.1.0
- process 4.2.4 [file path platform]
- sky_engine 0.0.99
- source_span 1.9.0 [collection path term_glyph]
- stack_trace 1.10.0 [path]
- stream_channel 2.1.0 [async]
- string_scanner 1.1.1 [source_span]
- term_glyph 1.2.1
- test_api 0.4.12 [async boolean_selector collection meta source_span stack_trace stream_channel string_scanner term_glyph matcher]
- timezone 0.8.0 [path]
- typed_data 1.3.1 [collection]
- vector_math 2.1.2
- xdg_directories 0.2.0+2 [meta path process]
- xml 6.1.0 [collection meta petitparser]

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[darshankawar]

Looking at the description and steps to replicate, it looks similar to #9625, so I suggest you to follow-up in it for further updates.
Closing this as duplicate. If you disagree, write in comments and I'll reopen it.