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Release Notes
scala/scala (scala)
### [`v2.12.20`](https://redirect.github.com/scala/scala/releases/tag/v2.12.20): Scala 2.12.20
[Compare Source](https://redirect.github.com/scala/scala/compare/v2.12.19...v2.12.20)
This release improves **compatibility**:
- Support JDK 23 in optimizer (via upgrade to patched ASM 9.7.0) ([#10747](https://redirect.github.com/scala/scala/pull/10747) by [@Philippus](https://redirect.github.com/Philippus))
- Bump scala-xml dependency to 2.3.0 (was 2.2.0) ([#10782](https://redirect.github.com/scala/scala/pull/10782))
and **compiler profiling**:
- Collect statistics without printing them ([#10798](https://redirect.github.com/scala/scala/pull/10798) by [@szeiger](https://redirect.github.com/szeiger))
For complete 2.12.20 change lists, see [all merged PRs](https://redirect.github.com/scala/scala/pulls?q=is%3Amerged%20milestone%3A2.12.20) and [all closed bugs](https://redirect.github.com/scala/bug/issues?utf8=%E2%9C%93\&q=is%3Aclosed+milestone%3A2.12.20).
#### Compatibility
As usual for our minor releases, Scala 2.12.20 is [binary-compatible](https://docs.scala-lang.org/overviews/core/binary-compatibility-of-scala-releases.html) with the whole Scala 2.12 series.
#### Contributors
A big thank you to everyone who's helped improve Scala by reporting bugs, improving our documentation, spreading kindness in discussions around Scala, and submitting and reviewing pull requests! You are all magnificent.
This release was brought to you by 8 contributors, according to `git shortlog -sn --no-merges @ ^v2.12.19`. Thank you Scala Steward, Seth Tisue, Lukas Rytz, A. P. Marki, Hamza Remmal, Philippus Baalman, Stefan Zeiger, nbauma109.
Thanks to [Lightbend](https://www.lightbend.com/scala) for their continued sponsorship of the Scala 2 team’s efforts. Lightbend offers [commercial support](https://www.lightbend.com/lightbend-platform-subscription) for Scala 2.
#### Scala 2.12 notes
The [release notes for Scala 2.12.0](https://redirect.github.com/scala/scala/releases/v2.12.0) have important information applicable to the whole 2.12 series.
#### Obtaining Scala
Scala releases are available through a variety of channels, including (but not limited to):
- Bump the `scalaVersion` setting in your sbt project
- Bump the `using scala` setting in your Scala CLI project
- Download a distribution from [scala-lang.org](https://scala-lang.org/download/2.12.20.html)
- Obtain JARs via [Maven Central](https://search.maven.org/search?q=g:org.scala-lang%20AND%20v:2.12.20)
### [`v2.12.19`](https://redirect.github.com/scala/scala/releases/tag/v2.12.19): Scala 2.12.19
[Compare Source](https://redirect.github.com/scala/scala/compare/v2.12.18...v2.12.19)
This release improves **compatibility**:
- Support certain Java libraries compiled on JDK 21 ([#10675](https://redirect.github.com/scala/scala/pull/10675) by [@SethTisue](https://redirect.github.com/SethTisue))
- Support JDK 22 in optimizer (by upgrading to ASM 9.6) ([#10575](https://redirect.github.com/scala/scala/pull/10575) by [@Philippus](https://redirect.github.com/Philippus))
- New `-Yrelease` option supplements `-release`, allows access to additional JVM packages ([#10671](https://redirect.github.com/scala/scala/pull/10671) by [@som-snytt](https://redirect.github.com/som-snytt))
- Update compiler's scala-xml dependency to [2.2.0](https://redirect.github.com/scala/scala-xml/releases/tag/v2.2.0) (was 2.1.0) ([#10459](https://redirect.github.com/scala/scala/pull/10459) by [@SethTisue](https://redirect.github.com/SethTisue))
And it has **bugfixes**:
- Fix rare `NullPointerException` in some tree-based collections ([#10640](https://redirect.github.com/scala/scala/pull/10640) by [@lrytz](https://redirect.github.com/lrytz))
- Improved `InterruptedException` handling for `Future`s ([#10379](https://redirect.github.com/scala/scala/pull/10379) by [@szeiger](https://redirect.github.com/szeiger))
For complete 2.12.19 change lists, see [all merged PRs](https://redirect.github.com/scala/scala/pulls?q=is%3Amerged%20milestone%3A2.12.19) and [all closed bugs](https://redirect.github.com/scala/bug/issues?utf8=%E2%9C%93\&q=is%3Aclosed+milestone%3A2.12.19).
#### Compatibility
As usual for our minor releases, Scala 2.12.19 is [binary-compatible](https://docs.scala-lang.org/overviews/core/binary-compatibility-of-scala-releases.html) with the whole Scala 2.12 series.
#### Contributors
A big thank you to everyone who's helped improve Scala by reporting bugs, improving our documentation, spreading kindness in discussions around Scala, and submitting and reviewing pull requests! You are all magnificent.
This release was brought to you by 9 contributors, according to `git shortlog -sn --no-merges @ ^v2.12.18 ^2.11.x`. Thank you Scala Steward, Seth Tisue, A. P. Marki, Lukas Rytz, Stefan Zeiger, Dmitry Komanov, Philippus Baalman, cahilltr, dependabot.
Thanks to [Lightbend](https://www.lightbend.com/scala) for their continued sponsorship of the Scala 2 team’s efforts. Lightbend offers [commercial support](https://www.lightbend.com/lightbend-platform-subscription) for Scala 2.
#### Scala 2.12 notes
The [release notes for Scala 2.12.0](https://redirect.github.com/scala/scala/releases/v2.12.0) have important information applicable to the whole 2.12 series.
#### Obtaining Scala
Scala releases are available through a variety of channels, including (but not limited to):
- Bump the `scalaVersion` setting in your sbt project
- Bump the `using scala` setting in your Scala CLI project
- Download a distribution from [scala-lang.org](https://scala-lang.org/download/2.12.19.html)
- Obtain JARs via [Maven Central](https://search.maven.org/search?q=g:org.scala-lang%20AND%20v:2.12.19)
Configuration
📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
[ ] If you want to rebase/retry this PR, check this box
This PR contains the following updates:
2.12.18->2.12.20Release Notes
scala/scala (scala)
### [`v2.12.20`](https://redirect.github.com/scala/scala/releases/tag/v2.12.20): Scala 2.12.20 [Compare Source](https://redirect.github.com/scala/scala/compare/v2.12.19...v2.12.20) This release improves **compatibility**: - Support JDK 23 in optimizer (via upgrade to patched ASM 9.7.0) ([#10747](https://redirect.github.com/scala/scala/pull/10747) by [@Philippus](https://redirect.github.com/Philippus)) - Bump scala-xml dependency to 2.3.0 (was 2.2.0) ([#10782](https://redirect.github.com/scala/scala/pull/10782)) and **compiler profiling**: - Collect statistics without printing them ([#10798](https://redirect.github.com/scala/scala/pull/10798) by [@szeiger](https://redirect.github.com/szeiger)) For complete 2.12.20 change lists, see [all merged PRs](https://redirect.github.com/scala/scala/pulls?q=is%3Amerged%20milestone%3A2.12.20) and [all closed bugs](https://redirect.github.com/scala/bug/issues?utf8=%E2%9C%93\&q=is%3Aclosed+milestone%3A2.12.20). #### Compatibility As usual for our minor releases, Scala 2.12.20 is [binary-compatible](https://docs.scala-lang.org/overviews/core/binary-compatibility-of-scala-releases.html) with the whole Scala 2.12 series. #### Contributors A big thank you to everyone who's helped improve Scala by reporting bugs, improving our documentation, spreading kindness in discussions around Scala, and submitting and reviewing pull requests! You are all magnificent. This release was brought to you by 8 contributors, according to `git shortlog -sn --no-merges @ ^v2.12.19`. Thank you Scala Steward, Seth Tisue, Lukas Rytz, A. P. Marki, Hamza Remmal, Philippus Baalman, Stefan Zeiger, nbauma109. Thanks to [Lightbend](https://www.lightbend.com/scala) for their continued sponsorship of the Scala 2 team’s efforts. Lightbend offers [commercial support](https://www.lightbend.com/lightbend-platform-subscription) for Scala 2. #### Scala 2.12 notes The [release notes for Scala 2.12.0](https://redirect.github.com/scala/scala/releases/v2.12.0) have important information applicable to the whole 2.12 series. #### Obtaining Scala Scala releases are available through a variety of channels, including (but not limited to): - Bump the `scalaVersion` setting in your sbt project - Bump the `using scala` setting in your Scala CLI project - Download a distribution from [scala-lang.org](https://scala-lang.org/download/2.12.20.html) - Obtain JARs via [Maven Central](https://search.maven.org/search?q=g:org.scala-lang%20AND%20v:2.12.20) ### [`v2.12.19`](https://redirect.github.com/scala/scala/releases/tag/v2.12.19): Scala 2.12.19 [Compare Source](https://redirect.github.com/scala/scala/compare/v2.12.18...v2.12.19) This release improves **compatibility**: - Support certain Java libraries compiled on JDK 21 ([#10675](https://redirect.github.com/scala/scala/pull/10675) by [@SethTisue](https://redirect.github.com/SethTisue)) - Support JDK 22 in optimizer (by upgrading to ASM 9.6) ([#10575](https://redirect.github.com/scala/scala/pull/10575) by [@Philippus](https://redirect.github.com/Philippus)) - New `-Yrelease` option supplements `-release`, allows access to additional JVM packages ([#10671](https://redirect.github.com/scala/scala/pull/10671) by [@som-snytt](https://redirect.github.com/som-snytt)) - Update compiler's scala-xml dependency to [2.2.0](https://redirect.github.com/scala/scala-xml/releases/tag/v2.2.0) (was 2.1.0) ([#10459](https://redirect.github.com/scala/scala/pull/10459) by [@SethTisue](https://redirect.github.com/SethTisue)) And it has **bugfixes**: - Fix rare `NullPointerException` in some tree-based collections ([#10640](https://redirect.github.com/scala/scala/pull/10640) by [@lrytz](https://redirect.github.com/lrytz)) - Improved `InterruptedException` handling for `Future`s ([#10379](https://redirect.github.com/scala/scala/pull/10379) by [@szeiger](https://redirect.github.com/szeiger)) For complete 2.12.19 change lists, see [all merged PRs](https://redirect.github.com/scala/scala/pulls?q=is%3Amerged%20milestone%3A2.12.19) and [all closed bugs](https://redirect.github.com/scala/bug/issues?utf8=%E2%9C%93\&q=is%3Aclosed+milestone%3A2.12.19). #### Compatibility As usual for our minor releases, Scala 2.12.19 is [binary-compatible](https://docs.scala-lang.org/overviews/core/binary-compatibility-of-scala-releases.html) with the whole Scala 2.12 series. #### Contributors A big thank you to everyone who's helped improve Scala by reporting bugs, improving our documentation, spreading kindness in discussions around Scala, and submitting and reviewing pull requests! You are all magnificent. This release was brought to you by 9 contributors, according to `git shortlog -sn --no-merges @ ^v2.12.18 ^2.11.x`. Thank you Scala Steward, Seth Tisue, A. P. Marki, Lukas Rytz, Stefan Zeiger, Dmitry Komanov, Philippus Baalman, cahilltr, dependabot. Thanks to [Lightbend](https://www.lightbend.com/scala) for their continued sponsorship of the Scala 2 team’s efforts. Lightbend offers [commercial support](https://www.lightbend.com/lightbend-platform-subscription) for Scala 2. #### Scala 2.12 notes The [release notes for Scala 2.12.0](https://redirect.github.com/scala/scala/releases/v2.12.0) have important information applicable to the whole 2.12 series. #### Obtaining Scala Scala releases are available through a variety of channels, including (but not limited to): - Bump the `scalaVersion` setting in your sbt project - Bump the `using scala` setting in your Scala CLI project - Download a distribution from [scala-lang.org](https://scala-lang.org/download/2.12.19.html) - Obtain JARs via [Maven Central](https://search.maven.org/search?q=g:org.scala-lang%20AND%20v:2.12.19)Configuration
📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
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