scala/scala (org.scala-lang:scala-library)
### [`v2.13.12`](https://togithub.com/scala/scala/releases/tag/v2.13.12): Scala 2.13.12
[Compare Source](https://togithub.com/scala/scala/compare/v2.13.11...v2.13.12)
The Scala team at Lightbend is pleased to announce Scala 2.13.12.
The following changes are highlights of this release:
##### Feature: Quickfixes
For some errors and warnings, the compiler now suggests an edit that could fix the issue. Tooling such as IDEs can then offer the edits, or the compiler itself will make the change if run again with `-quickfix`.
- Implement quickfixes, aka actionable diagnostics (via `CodeAction`) ([#10406](https://togithub.com/scala/scala/pull/10406) by [@eed3si9n](https://togithub.com/eed3si9n))
- Add `-quickfix` compiler option to apply quickfixes to source files ([#10482](https://togithub.com/scala/scala/pull/10482) by [@lrytz](https://togithub.com/lrytz))
- Add quickfixes to some warnings and errors ([#10484](https://togithub.com/scala/scala/pull/10484) by [@lrytz](https://togithub.com/lrytz))
##### Align with Scala 3
- Emit migration warnings under `-Xsource:3` as fatal warnings, not errors ([#10439](https://togithub.com/scala/scala/pull/10439) by [@som-snytt](https://togithub.com/som-snytt), [#10511](https://togithub.com/scala/scala/pull/10511))
- `-Xmigration` will demote the errors to warnings
- `-Wconf:cat=scala3-migration:s` will silence these errors/warnings altogether
- Warn about `@elidable` under `-Xsource:3` ([#10377](https://togithub.com/scala/scala/pull/10377) by [@som-snytt](https://togithub.com/som-snytt))
##### Collections
- `IndexedSeq#head` now throws `NoSuchElementException` (not `IndexOutOfBoundsException`) ([#10392](https://togithub.com/scala/scala/pull/10392) by [@som-snytt](https://togithub.com/som-snytt))
##### Regression fixes
- Deduplicate `JavaDeprecatedAttr` in `ClassfileParser` ([#10422](https://togithub.com/scala/scala/pull/10422) by [@som-snytt](https://togithub.com/som-snytt))
- Avoid brittle flags encoding for Java enums ([#10424](https://togithub.com/scala/scala/pull/10424) by [@som-snytt](https://togithub.com/som-snytt))
##### Scaladoc tool changes
Library authors should be aware that the behavior of `-doc-source-url` has changed, as follows:
- [https://github.com/scala/bug/issues/12867](https://togithub.com/scala/bug/issues/12867)
You may need to adjust your build accordingly, to avoid generating broken source links.
##### Tooling
The following change is mainly of concern to tooling maintainers.
- In-source sbt compiler bridge ([#10472](https://togithub.com/scala/scala/pull/10472) by [@lrytz](https://togithub.com/lrytz))
##### Other notable changes
For the complete 2.13.12 change lists, see [all merged PRs](https://togithub.com/scala/scala/pulls?q=is%3Amerged%20milestone%3A2.13.12) and [all closed bugs](https://togithub.com/scala/bug/issues?utf8=%E2%9C%93\&q=is%3Aclosed+milestone%3A2.13.12).
#### Compatibility
As usual for our minor releases, Scala 2.13.12 is [binary-compatible](https://docs.scala-lang.org/overviews/core/binary-compatibility-of-scala-releases.html) with the whole Scala 2.13 series.
Upgrading from 2.12? Enable `-Xmigration` while upgrading to request migration advice from the compiler.
#### 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.
We especially acknowledge and thank A. P. Marki, also known as Som Snytt, who is responsible for a large share of the improvements in this release.
This release was brought to you by 12 contributors, according to `git shortlog -sn --no-merges @ ^v2.13.11 ^2.12.x ^366ba2f`. Thank you A. P. Marki, Lukas Rytz, Seth Tisue, Scala Steward, Michel Davit, Nicolas Stucki, Alex Leigh, Eugene Yokota, Georgi Krastev, Jamie Willis, Julien Richard-Foy, NthPortal.
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.
#### Scala 2.13 notes
The [release notes for Scala 2.13.0](https://togithub.com/scala/scala/releases/v2.13.0) have important information applicable to the whole 2.13 series.
#### Obtaining Scala
Scala releases are available through a variety of channels, including (but not limited to):
- Bump the `using scala` setting in your Scala CLI project
- Bump the `scalaVersion` setting in your sbt or Mill project
- Download a distribution from [scala-lang.org](https://scala-lang.org/download/2.13.12.html)
- Obtain JARs via [Maven Central](https://search.maven.org/search?q=g:org.scala-lang%20AND%20v:2.13.12)
### [`v2.13.11`](https://togithub.com/scala/scala/releases/tag/v2.13.11): Scala 2.13.11
[Compare Source](https://togithub.com/scala/scala/compare/v2.13.10...v2.13.11)
The Scala team at Lightbend is pleased to announce Scala 2.13.11.
The following changes are highlights of this release:
##### Collections
- Faster `Vector` concatenation ([#10159](https://togithub.com/scala/scala/pull/10159) by [@ansvonwa](https://togithub.com/ansvonwa))
- New `LinkedHashMap`/`LinkedHashSet` implementation ([#10221](https://togithub.com/scala/scala/pull/10221) by [@liang3zy22](https://togithub.com/liang3zy22))
##### Compatibility
- Support JDK 20 and 21 by upgrading to ASM 9.5 ([#10363](https://togithub.com/scala/scala/pull/10363), [#10184](https://togithub.com/scala/scala/pull/10184) by [@Philippus](https://togithub.com/Philippus))
- Fix crash reading JDK 21 classfiles ([#10397](https://togithub.com/scala/scala/pull/10397))
- Support Java 17 `sealed` in Java sources and classfiles ([#10348](https://togithub.com/scala/scala/pull/10348), [#10105](https://togithub.com/scala/scala/pull/10105) by [@som-snytt](https://togithub.com/som-snytt))
- Support Scala 3.3 in TASTy reader ([#10299](https://togithub.com/scala/scala/pull/10299) by [@bishabosha](https://togithub.com/bishabosha))
##### Align with Scala 3
- Accept `implicit _`, `implicit (x: Int)` in lambdas, like Scala 3 does ([#10327](https://togithub.com/scala/scala/pull/10327) by [@som-snytt](https://togithub.com/som-snytt))
- Deprecate infix type args, as they are dropped in Scala 3 ([#10255](https://togithub.com/scala/scala/pull/10255) by [@som-snytt](https://togithub.com/som-snytt))
- Allow eta-expansion of methods with dependent types ([#10166](https://togithub.com/scala/scala/pull/10166))
- Abstract parent `copy` does not suspend case `copy` ([#10085](https://togithub.com/scala/scala/pull/10085) by [@som-snytt](https://togithub.com/som-snytt))
- Don't GLB binders of type patterns, use the type directly ([#10247](https://togithub.com/scala/scala/pull/10247))
- Under `-Xsource:3`, warn that inherited members no longer take precedence over outer definitions in Scala 3 ([#10220](https://togithub.com/scala/scala/pull/10220), [#10339](https://togithub.com/scala/scala/pull/10339))
- Under `-Xsource:3`, adjust 2.13.9 change to ignore override type for whitebox macro expansion ([#10188](https://togithub.com/scala/scala/pull/10188) by [@som-snytt](https://togithub.com/som-snytt))
- Under `-Xsource:3`, use narrowest type for pt of override ([#10198](https://togithub.com/scala/scala/pull/10198) by [@som-snytt](https://togithub.com/som-snytt))
- Under `-Xsource:3`, warn about change to parenless lambda parens ([#10320](https://togithub.com/scala/scala/pull/10320) by [@som-snytt](https://togithub.com/som-snytt))
##### Lints and warnings
- Lint select from `Unit`, or `Int` that incurs widening ([#10372](https://togithub.com/scala/scala/pull/10372) by [@som-snytt](https://togithub.com/som-snytt))
- Lint for integral divisions that are widened to a float ([#10369](https://togithub.com/scala/scala/pull/10369) by [@som-snytt](https://togithub.com/som-snytt))
- Lint if args adapted to `Unit` and discarded ([#10150](https://togithub.com/scala/scala/pull/10150) by [@som-snytt](https://togithub.com/som-snytt))
- Warn that implicit should have explicit type ([#10083](https://togithub.com/scala/scala/pull/10083) by [@som-snytt](https://togithub.com/som-snytt))
##### Other notable changes
- Disallow mixins where super calls bind to vals ([#10268](https://togithub.com/scala/scala/pull/10268))
- Make scalac's argument-file processing more like javac's in handling spaces and line breaks ([#10319](https://togithub.com/scala/scala/pull/10319) by [@som-snytt](https://togithub.com/som-snytt))
- Bump JLine and JNA versions ([#10318](https://togithub.com/scala/scala/pull/10318))
- `javabootclasspath` supersedes `jrt` ([#10336](https://togithub.com/scala/scala/pull/10336) by [@som-snytt](https://togithub.com/som-snytt))
- Report total errors on stderr ([#10272](https://togithub.com/scala/scala/pull/10272) by [@som-snytt](https://togithub.com/som-snytt))
- Fix pathologically slow compilation of some pattern matches since 2.13.7 ([#10258](https://togithub.com/scala/scala/pull/10258) by [@KisaragiEffective](https://togithub.com/KisaragiEffective))
- Provide `equals` and `hashCode` on `IterableWrapper` again (fixing 2.13.9 regression) ([#10205](https://togithub.com/scala/scala/pull/10205) by [@som-snytt](https://togithub.com/som-snytt))
- Improvements to `-Vimplicits`; errors now show complete implicit search tree ([#9944](https://togithub.com/scala/scala/pull/9944) by [@tribbloid](https://togithub.com/tribbloid))
- `-Vprint` defaults to `-Vprint:typer`; phases may be prefixed with `~` to mean "before and after" ([#10173](https://togithub.com/scala/scala/pull/10173) by [@som-snytt](https://togithub.com/som-snytt))
2.13.11 also includes the [changes from Scala 2.12.18](https://togithub.com/scala/scala/releases/v2.12.18). (A few of the most significant, such as those involving JDK 20 and 21 compatibility, are listed above.)
For the complete 2.13.11 change lists, see [all merged PRs](https://togithub.com/scala/scala/pulls?q=is%3Amerged%20milestone%3A2.13.11) and [all closed bugs](https://togithub.com/scala/bug/issues?utf8=%E2%9C%93\&q=is%3Aclosed+milestone%3A2.13.11).
#### Known issues
A few regressions have been discovered:
- Exhaustivity checker emits spurious warning when matching on Java enum type (2.13.11 regression) ([scala/bug#12800](https://togithub.com/scala/bug/issues/12800))
- Duplicated `@Deprecated` annotations when extending Java interface with deprecated default method cause `java.lang.annotation.AnnotationFormatError` when accessed via Java reflection (2.13.11 regression) ([scala/bug#12799](https://togithub.com/scala/bug/issues/12799))
We'll address these in Scala 2.13.12.
#### Compatibility
As usual for our minor releases, Scala 2.13.11 is [binary-compatible](https://docs.scala-lang.org/overviews/core/binary-compatibility-of-scala-releases.html) with the whole Scala 2.13 series.
Upgrading from 2.12? Enable `-Xmigration` while upgrading to request migration advice from the compiler.
#### 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.
We especially acknowledge and thank A. P. Marki, also known as Som Snytt, who is responsible for a large share of the improvements in this release.
This release was brought to you by 28 contributors, according to `git shortlog -sn --no-merges @ ^v2.13.10 ^2.12.x`. Thank you A. P. Marki, Lukas Rytz, Seth Tisue, Anselm von Wangenheim, Scala Steward, Liang Yan, Jamie Thompson, jxnu-liguobin, AminMal, Jason Zaugg, Kenji Yoshida, Rituraj, ashish, Chris Kipp, Dale Wijnand, Francesco Kriegel, Georgi Chochov, Goooler, João Costa, Kisaragi Marine, Rafał Sumisławski, Ruslans Tarasovs, Simon R, Sébastien Doeraene, Tomasz Godzik, Zhang Zhipeng, danarmak, hepin.p.
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.
#### Scala 2.13 notes
The [release notes for Scala 2.13.0](https://togithub.com/scala/scala/releases/v2.13.0) have important information applicable to the whole 2.13 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/2.13.11.html)
- Obtain JARs via [Maven Central](https://search.maven.org/search?q=g:org.scala-lang%20AND%20v:2.13.11)
Configuration
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♻ 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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This PR contains the following updates:
2.13.10
->2.13.12
Release Notes
scala/scala (org.scala-lang:scala-library)
### [`v2.13.12`](https://togithub.com/scala/scala/releases/tag/v2.13.12): Scala 2.13.12 [Compare Source](https://togithub.com/scala/scala/compare/v2.13.11...v2.13.12) The Scala team at Lightbend is pleased to announce Scala 2.13.12. The following changes are highlights of this release: ##### Feature: Quickfixes For some errors and warnings, the compiler now suggests an edit that could fix the issue. Tooling such as IDEs can then offer the edits, or the compiler itself will make the change if run again with `-quickfix`. - Implement quickfixes, aka actionable diagnostics (via `CodeAction`) ([#10406](https://togithub.com/scala/scala/pull/10406) by [@eed3si9n](https://togithub.com/eed3si9n)) - Add `-quickfix` compiler option to apply quickfixes to source files ([#10482](https://togithub.com/scala/scala/pull/10482) by [@lrytz](https://togithub.com/lrytz)) - Add quickfixes to some warnings and errors ([#10484](https://togithub.com/scala/scala/pull/10484) by [@lrytz](https://togithub.com/lrytz)) ##### Align with Scala 3 - Emit migration warnings under `-Xsource:3` as fatal warnings, not errors ([#10439](https://togithub.com/scala/scala/pull/10439) by [@som-snytt](https://togithub.com/som-snytt), [#10511](https://togithub.com/scala/scala/pull/10511)) - `-Xmigration` will demote the errors to warnings - `-Wconf:cat=scala3-migration:s` will silence these errors/warnings altogether - Warn about `@elidable` under `-Xsource:3` ([#10377](https://togithub.com/scala/scala/pull/10377) by [@som-snytt](https://togithub.com/som-snytt)) ##### Collections - `IndexedSeq#head` now throws `NoSuchElementException` (not `IndexOutOfBoundsException`) ([#10392](https://togithub.com/scala/scala/pull/10392) by [@som-snytt](https://togithub.com/som-snytt)) ##### Regression fixes - Deduplicate `JavaDeprecatedAttr` in `ClassfileParser` ([#10422](https://togithub.com/scala/scala/pull/10422) by [@som-snytt](https://togithub.com/som-snytt)) - Avoid brittle flags encoding for Java enums ([#10424](https://togithub.com/scala/scala/pull/10424) by [@som-snytt](https://togithub.com/som-snytt)) ##### Scaladoc tool changes Library authors should be aware that the behavior of `-doc-source-url` has changed, as follows: - [https://github.com/scala/bug/issues/12867](https://togithub.com/scala/bug/issues/12867) You may need to adjust your build accordingly, to avoid generating broken source links. ##### Tooling The following change is mainly of concern to tooling maintainers. - In-source sbt compiler bridge ([#10472](https://togithub.com/scala/scala/pull/10472) by [@lrytz](https://togithub.com/lrytz)) ##### Other notable changes For the complete 2.13.12 change lists, see [all merged PRs](https://togithub.com/scala/scala/pulls?q=is%3Amerged%20milestone%3A2.13.12) and [all closed bugs](https://togithub.com/scala/bug/issues?utf8=%E2%9C%93\&q=is%3Aclosed+milestone%3A2.13.12). #### Compatibility As usual for our minor releases, Scala 2.13.12 is [binary-compatible](https://docs.scala-lang.org/overviews/core/binary-compatibility-of-scala-releases.html) with the whole Scala 2.13 series. Upgrading from 2.12? Enable `-Xmigration` while upgrading to request migration advice from the compiler. #### 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. We especially acknowledge and thank A. P. Marki, also known as Som Snytt, who is responsible for a large share of the improvements in this release. This release was brought to you by 12 contributors, according to `git shortlog -sn --no-merges @ ^v2.13.11 ^2.12.x ^366ba2f`. Thank you A. P. Marki, Lukas Rytz, Seth Tisue, Scala Steward, Michel Davit, Nicolas Stucki, Alex Leigh, Eugene Yokota, Georgi Krastev, Jamie Willis, Julien Richard-Foy, NthPortal. 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. #### Scala 2.13 notes The [release notes for Scala 2.13.0](https://togithub.com/scala/scala/releases/v2.13.0) have important information applicable to the whole 2.13 series. #### Obtaining Scala Scala releases are available through a variety of channels, including (but not limited to): - Bump the `using scala` setting in your Scala CLI project - Bump the `scalaVersion` setting in your sbt or Mill project - Download a distribution from [scala-lang.org](https://scala-lang.org/download/2.13.12.html) - Obtain JARs via [Maven Central](https://search.maven.org/search?q=g:org.scala-lang%20AND%20v:2.13.12) ### [`v2.13.11`](https://togithub.com/scala/scala/releases/tag/v2.13.11): Scala 2.13.11 [Compare Source](https://togithub.com/scala/scala/compare/v2.13.10...v2.13.11) The Scala team at Lightbend is pleased to announce Scala 2.13.11. The following changes are highlights of this release: ##### Collections - Faster `Vector` concatenation ([#10159](https://togithub.com/scala/scala/pull/10159) by [@ansvonwa](https://togithub.com/ansvonwa)) - New `LinkedHashMap`/`LinkedHashSet` implementation ([#10221](https://togithub.com/scala/scala/pull/10221) by [@liang3zy22](https://togithub.com/liang3zy22)) ##### Compatibility - Support JDK 20 and 21 by upgrading to ASM 9.5 ([#10363](https://togithub.com/scala/scala/pull/10363), [#10184](https://togithub.com/scala/scala/pull/10184) by [@Philippus](https://togithub.com/Philippus)) - Fix crash reading JDK 21 classfiles ([#10397](https://togithub.com/scala/scala/pull/10397)) - Support Java 17 `sealed` in Java sources and classfiles ([#10348](https://togithub.com/scala/scala/pull/10348), [#10105](https://togithub.com/scala/scala/pull/10105) by [@som-snytt](https://togithub.com/som-snytt)) - Support Scala 3.3 in TASTy reader ([#10299](https://togithub.com/scala/scala/pull/10299) by [@bishabosha](https://togithub.com/bishabosha)) ##### Align with Scala 3 - Accept `implicit _`, `implicit (x: Int)` in lambdas, like Scala 3 does ([#10327](https://togithub.com/scala/scala/pull/10327) by [@som-snytt](https://togithub.com/som-snytt)) - Deprecate infix type args, as they are dropped in Scala 3 ([#10255](https://togithub.com/scala/scala/pull/10255) by [@som-snytt](https://togithub.com/som-snytt)) - Allow eta-expansion of methods with dependent types ([#10166](https://togithub.com/scala/scala/pull/10166)) - Abstract parent `copy` does not suspend case `copy` ([#10085](https://togithub.com/scala/scala/pull/10085) by [@som-snytt](https://togithub.com/som-snytt)) - Don't GLB binders of type patterns, use the type directly ([#10247](https://togithub.com/scala/scala/pull/10247)) - Under `-Xsource:3`, warn that inherited members no longer take precedence over outer definitions in Scala 3 ([#10220](https://togithub.com/scala/scala/pull/10220), [#10339](https://togithub.com/scala/scala/pull/10339)) - Under `-Xsource:3`, adjust 2.13.9 change to ignore override type for whitebox macro expansion ([#10188](https://togithub.com/scala/scala/pull/10188) by [@som-snytt](https://togithub.com/som-snytt)) - Under `-Xsource:3`, use narrowest type for pt of override ([#10198](https://togithub.com/scala/scala/pull/10198) by [@som-snytt](https://togithub.com/som-snytt)) - Under `-Xsource:3`, warn about change to parenless lambda parens ([#10320](https://togithub.com/scala/scala/pull/10320) by [@som-snytt](https://togithub.com/som-snytt)) ##### Lints and warnings - Lint select from `Unit`, or `Int` that incurs widening ([#10372](https://togithub.com/scala/scala/pull/10372) by [@som-snytt](https://togithub.com/som-snytt)) - Lint for integral divisions that are widened to a float ([#10369](https://togithub.com/scala/scala/pull/10369) by [@som-snytt](https://togithub.com/som-snytt)) - Lint if args adapted to `Unit` and discarded ([#10150](https://togithub.com/scala/scala/pull/10150) by [@som-snytt](https://togithub.com/som-snytt)) - Warn that implicit should have explicit type ([#10083](https://togithub.com/scala/scala/pull/10083) by [@som-snytt](https://togithub.com/som-snytt)) ##### Other notable changes - Disallow mixins where super calls bind to vals ([#10268](https://togithub.com/scala/scala/pull/10268)) - Make scalac's argument-file processing more like javac's in handling spaces and line breaks ([#10319](https://togithub.com/scala/scala/pull/10319) by [@som-snytt](https://togithub.com/som-snytt)) - Bump JLine and JNA versions ([#10318](https://togithub.com/scala/scala/pull/10318)) - `javabootclasspath` supersedes `jrt` ([#10336](https://togithub.com/scala/scala/pull/10336) by [@som-snytt](https://togithub.com/som-snytt)) - Report total errors on stderr ([#10272](https://togithub.com/scala/scala/pull/10272) by [@som-snytt](https://togithub.com/som-snytt)) - Fix pathologically slow compilation of some pattern matches since 2.13.7 ([#10258](https://togithub.com/scala/scala/pull/10258) by [@KisaragiEffective](https://togithub.com/KisaragiEffective)) - Provide `equals` and `hashCode` on `IterableWrapper` again (fixing 2.13.9 regression) ([#10205](https://togithub.com/scala/scala/pull/10205) by [@som-snytt](https://togithub.com/som-snytt)) - Improvements to `-Vimplicits`; errors now show complete implicit search tree ([#9944](https://togithub.com/scala/scala/pull/9944) by [@tribbloid](https://togithub.com/tribbloid)) - `-Vprint` defaults to `-Vprint:typer`; phases may be prefixed with `~` to mean "before and after" ([#10173](https://togithub.com/scala/scala/pull/10173) by [@som-snytt](https://togithub.com/som-snytt)) 2.13.11 also includes the [changes from Scala 2.12.18](https://togithub.com/scala/scala/releases/v2.12.18). (A few of the most significant, such as those involving JDK 20 and 21 compatibility, are listed above.) For the complete 2.13.11 change lists, see [all merged PRs](https://togithub.com/scala/scala/pulls?q=is%3Amerged%20milestone%3A2.13.11) and [all closed bugs](https://togithub.com/scala/bug/issues?utf8=%E2%9C%93\&q=is%3Aclosed+milestone%3A2.13.11). #### Known issues A few regressions have been discovered: - Exhaustivity checker emits spurious warning when matching on Java enum type (2.13.11 regression) ([scala/bug#12800](https://togithub.com/scala/bug/issues/12800)) - Duplicated `@Deprecated` annotations when extending Java interface with deprecated default method cause `java.lang.annotation.AnnotationFormatError` when accessed via Java reflection (2.13.11 regression) ([scala/bug#12799](https://togithub.com/scala/bug/issues/12799)) We'll address these in Scala 2.13.12. #### Compatibility As usual for our minor releases, Scala 2.13.11 is [binary-compatible](https://docs.scala-lang.org/overviews/core/binary-compatibility-of-scala-releases.html) with the whole Scala 2.13 series. Upgrading from 2.12? Enable `-Xmigration` while upgrading to request migration advice from the compiler. #### 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. We especially acknowledge and thank A. P. Marki, also known as Som Snytt, who is responsible for a large share of the improvements in this release. This release was brought to you by 28 contributors, according to `git shortlog -sn --no-merges @ ^v2.13.10 ^2.12.x`. Thank you A. P. Marki, Lukas Rytz, Seth Tisue, Anselm von Wangenheim, Scala Steward, Liang Yan, Jamie Thompson, jxnu-liguobin, AminMal, Jason Zaugg, Kenji Yoshida, Rituraj, ashish, Chris Kipp, Dale Wijnand, Francesco Kriegel, Georgi Chochov, Goooler, João Costa, Kisaragi Marine, Rafał Sumisławski, Ruslans Tarasovs, Simon R, Sébastien Doeraene, Tomasz Godzik, Zhang Zhipeng, danarmak, hepin.p. 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. #### Scala 2.13 notes The [release notes for Scala 2.13.0](https://togithub.com/scala/scala/releases/v2.13.0) have important information applicable to the whole 2.13 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/2.13.11.html) - Obtain JARs via [Maven Central](https://search.maven.org/search?q=g:org.scala-lang%20AND%20v:2.13.11)Configuration
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