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Merged
merged 6 commits into from
Jan 29, 2025
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Scala LTS 3.3.5 announcement #1728

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0a1faad
Add draft for Scala 3.3.5 release notes
WojciechMazur Dec 13, 2024
7617cba
Apply improvements to release notes
WojciechMazur Jan 27, 2025
e90711f
Update release date to January 29
WojciechMazur Jan 27, 2025
cacdc49
Apply review comments fixes
WojciechMazur Jan 27, 2025
116bcdd
Add notice explaining backporting policy (delays)
WojciechMazur Jan 29, 2025
add9b1f
Mention being an LTS in title
WojciechMazur Jan 29, 2025
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4 changes: 2 additions & 2 deletions _data/scala-releases.yml
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Expand Up @@ -4,8 +4,8 @@
release_date: January 20, 2025
- category: current_version
title: Current 3.3.x LTS release
version: 3.3.4
release_date: September 27, 2024
version: 3.3.5
release_date: January 14, 2025
- category: current_version
title: Current 2.13.x release
version: 2.13.16
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10 changes: 10 additions & 0 deletions _downloads/2025-01-29-3.3.5.md
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---
title: Scala 3.3.5 LTS
start: 29 January 2025
layout: downloadpage
release_version: 3.3.5
release_date: "January 29, 2025"
permalink: /download/3.3.5.html
license: <a href="https://www.scala-lang.org/license/">Apache License, Version 2.0</a>
api_docs: https://www.scala-lang.org/api/3.3.5/
---
21 changes: 21 additions & 0 deletions _posts/2025-01-29-release-notes-3.3.5.md
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---
category: announcement
permalink: /news/3.3.5/
title: "Scala 3.3.5 is now available!"
---
Scala 3.3.5 LTS is now available!

This patch release backports most of the improvements and bugfixes introduced in the Scala Next series up to the Scala 3.5.2 release.
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3.5.2? not 3.6.x?

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3.5.2, it was the selected as cutoff. The reasoning here is that these changes had enough time to be tested out in a cases that are not covered by our tests or community build. The 3.5.6 would include backports introduced up to 3.6.4 (+ possibly some other changes like Scala 2 stdlib upgrade or JVM support)

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@SethTisue SethTisue Jan 27, 2025 •
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okay. might be worth mentioning in the notes? I think most readers will notice and wonder

(of course, there's also value in keeping notes short...)

All of the backported changes were proven to not break either binary or source compatibility, by testing over 1500 projects in the [Scala 3 Open Community Build](https://github.com/VirtusLab/community-build3).

Notable changes:

- Scala 2 Standard Library upgraded to 2.13.15
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not sure if it's worth adding that 3.3.6 will have 2.13.16? maybe not

- Support for JDK 23
- Added the `-Wall` option that enables all linting warnings

Breaking changes:

- Aligned `-Wconf` parsing order with Scala 2 semantics: `-Wconf:x,y` now means `-Wconf:x -Wconf:y`, with y overruling x, rather than the reverse to align with Scala 3.4+ and with user intuition [#21985](https://github.com/scala/scala3/pull/21985)

For a full list of changes and contributor credits, please refer to the [release notes](https://github.com/scala/scala3/releases/tag/3.3.5).
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