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chore(deps): update dependency scala to v2.13.17 #12

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This PR contains the following updates:

Package Change Age Confidence
scala (source) 2.11.12 -> 2.13.17 age confidence
scala (source) 2.12.11 -> 2.13.17 age confidence

Release Notes

scala/scala (scala)

v2.13.17: Scala 2.13.17

Compare Source

The Scala team at Akka is pleased to announce Scala 2.13.17.

This release is compatible with the new JDK 25 LTS.

See below for known issues / regressions in this release.

The following are highlights of this release:

Compatibility
  • JDK 25 support in optimizer (#​11046)
  • Support Scala 3.7 in the TASTy reader (#​11100)
  • When parsing Java sources, skip JDK 21+’s JEP 445 compact compilation units (#​11066)
Breaking changes
  • Mix in the productPrefix hash statically in case class hashCode (#​11023)
    • The synthetic hashCode method of a case class no longer calls productPrefix. This changes the hash code of case classes that override productPrefix.
  • Improve scala.util.Using suppression order (NonFatal suppresses ControlThrowable) (#​11000 by @​NthPortal)
    • When multiple exceptions are thrown, a predefined order determines which exception is rethrown and which is attached as "suppressed"
    • Users of scala-collection-compat can upgrade to 2.14.0 to get the same behavior change
    • If you use Using in a project that crossbuilds to Scala 3, you may wish to wait for a Scala 3 release that includes the 2.13.17 standard library, or use a dependency override to force the upgrade in your build
Features and notable changes
  • Fix AnnotationInfo when using named/default arguments, support custom annotation subclasses (#​10976)
    • Users can now define, for example, class nodep extends annotation.nowarn("cat=deprecation") and use @nodep to silence deprecations
  • Show nowarn/-Wconf filters for a warning with @nowarn("verbose") (#​10985)
  • Use toVector for XML literal sequences (#​11065)
Scala 3 compatibility and migration
  • Allow using -Xsource-features without -Xsource:3 (#​11123)
  • Lint inferred structural types (#​10942)
    • In case this warning is undesired, it can be disabled using -Xlint:_,-infer-structural
  • Port summonIgnoring from 3.7 as c.inferImplicitValueIgnoring (#​11068 by @​MateuszKubuszok)
Notable bug fixes
  • Allow optimizer use within Bazel (don't attempt inlining methods without instructions) (#​11016)
  • Reduce memory footprint of evaluated elements in LazyList (#​10937)
  • Deregister stale callbacks in Future.firstCompletedOf (prevents memory leaks) (#​10927)
  • Require -Xsource-features:eta-expand-always for eta-expansion without an expected type (#​10907 by @​som-snytt)
More changes

For the complete 2.13.17 change lists, see all merged PRs and all closed bugs.

Known issues / regressions

False positive lint warning: a type was inferred to be kind-polymorphic

  • A new warning was added to the existing -Xlint:infer-any flag (which is also enabled with plain -Xlint)
  • The implementation issues false positive warnings
  • To revert back to the behavior of Scala 2.13.16, add -Wconf:cat=lint-infer-any&msg=kind-polymorphic:s
  • See scala/scala#13128 for details

Scaladoc @define no longer works if the doc comment is on an object

-Wunused:privates now warns about unused private final val declarations. When such a val is only referenced as argument to a Java annotation, it is incorrectly reported as unused

  • See scala/bug#13130 for details
  • Workaround: add @nowarn("cat=unused-privates") to the val declaration

Semantic change when passing a null sequence parameter in Scala 3, i.e., foo((null: Array[T])*). Within def foo(xs: T*), the value xs is no longer null.

  • Merely updating scala-library on the classpath to 2.13.17 can change the runtime behavior of previously compiled code
  • See #​11165 for details

Compatibility

As usual for our minor releases, Scala 2.13.17 is binary-compatible 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.

This release was brought to you by 23 contributors, according to git shortlog -sn --no-merges @​ ^v2.13.16 ^2.12.x. Thank you A. P. Marki, Lukas Rytz, Seth Tisue, Alec Theriault, Jason Zaugg, Sébastien Doeraene, Scala Steward, Bernhard, Tomasz Godzik, Vasil Vasilev, Arthur Soulié, Emil Ejbyfeldt, Hamza Remmal, Jiri Vanek, Kenji Yoshida, Lorenzo Gabriele, Marissa, Mateusz Kubuszok, Matthew Lutze, Philippus Baalman, Stefan Zeiger, philwalk, 虎鸣.

Thanks to Akka for their continued sponsorship of the Scala 2 team’s efforts. Akka offers commercial support for Scala.

Scala 2.13 notes

The release notes for Scala 2.13.0 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
  • Obtain JARs via Maven Central

v2.13.16: Scala 2.13.16

Compare Source

The Scala team at Akka (formerly Lightbend) is pleased to announce Scala 2.13.16.

The following changes are highlights of this release:

Breaking change
  • On the empty string, .tail and .init now throw (instead of returning the empty string) (#​10851 by @​sh0hei)
    • This is a bugfix, but be aware that existing code might, perhaps inadvertently, be relying on the old behavior
Compatibility
REPL
  • REPL: JLine 3.27.1 (was 3.26.3) and on Windows use JNI not JNA (#​10899, #​10898, #​10882)
    • These upgrades hopefully won't be noticed, but, REPL users on Windows take note
    • JNA is no longer a dependency of scala-compiler.jar
Align with Scala 3
Errors and warnings
Collections
  • Do not use rangeHash when rangeDiff is 0 (#​10912 by @​Friendseeker)
    • This may affect fragile code relying on ordering of hash-based collections
  • Deprecate collection.mutable.AnyRefMap (#​10862 by @​wangyum)
    • Since Scala 2.13.0 it has no performance advantage over collection.mutable.HashMap
More changes

For the complete 2.13.16 change lists, see all merged PRs and all closed bugs.

Compatibility

As usual for our minor releases, Scala 2.13.16 is binary-compatible 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 many of the improvements in this release.

This release was brought to you by 19 contributors, according to git shortlog -sn --no-merges @​ ^v2.13.15 ^2.12.x. Thank you A. P. Marki, Seth Tisue, Scala Steward, Lukas Rytz, Friendseeker, Ondra Pelech, Philippus Baalman, Benjamin Maurer, Corey O'Connor, Eric Seidel2, Hamza Remmal, Jamie Thompson, João Costa, Kenji Yoshida, Mathias Kools, Rikito Taniguchi, Yuming Wang, rochala, sh0hei.

Thanks to Akka for their continued sponsorship of the Scala 2 team’s efforts. Akka offers commercial support for Scala.

Scala 2.13 notes

The release notes for Scala 2.13.0 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
  • Obtain JARs via Maven Central

v2.13.15: Scala 2.13.15

Compare Source

The Scala team at Lightbend is pleased to announce Scala 2.13.15.

The following changes are highlights of this release:

Breaking changes
  • -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) (#​10708 by @​som-snytt)
  • Compiler plugins: rework and improve phase assembly (#​10687 by @​som-snytt)
    • Plugin authors should check to see if they are affected
    • Plugin users may see strange errors if a plugin is affected and not adjusted by its author
    • Most plugins are not affected
Compatibility
Features
Align with Scala 3
Errors and warnings
More changes

For the complete 2.13.15 change lists, see all merged PRs and all closed bugs.

Compatibility

As usual for our minor releases, Scala 2.13.15 is binary-compatible 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 many of the improvements in this release.

This release was brought to you by 13 contributors, according to git shortlog -sn --no-merges @​ ^v2.13.14 ^2.12.x. Thank you A. P. Marki, Lukas Rytz, Scala Steward, Seth Tisue, Jamie Thompson, Stefan Zeiger, Hamza Remmal, EnzeXing, Marissa, Philippus Baalman, Samuel Chassot, luozexuan, nbauma109.

Thanks to Lightbend for their continued sponsorship of the Scala 2 team’s efforts. Lightbend offers commercial support for Scala.

Scala 2.13 notes

The release notes for Scala 2.13.0 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
  • Obtain JARs via Maven Central

v2.13.14: Scala 2.13.14

Compare Source

The Scala team at Lightbend is pleased to announce Scala 2.13.14.

The following changes are highlights of this release:

Align with Scala 3
  • Introduce -Xsource-features, for customizing the behavior of -Xsource:3 and -Xsource:3-cross (#​10709)
    • A section of the Scala 3 Migration Guide documents these flags: documentation
Regression fixes
  • Rename -Xlint:named-booleans to -Wunnamed-boolean-literal (and no longer include it in -Xlint) (#​10704 by @​som-snytt)
  • Fix ArrayBuilder regression in Scala 2.13.13 (OutOfMemoryError when adding empty arrays) (#​10722 by @​som-snytt)
  • Fix 2.13.13 regression in Scaladoc compilation when using Scala 3 definitions (#​10700 by @​bishabosha)
Other improvements
More changes

For the complete 2.13.14 change lists, see all merged PRs and all closed bugs.

Compatibility

As usual for our minor releases, Scala 2.13.14 is binary-compatible 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 many of the improvements in this release.

This release was brought to you by 9 contributors, according to git shortlog -sn --no-merges @​ ^v2.13.13 ^2.12.x. Thank you A. P. Marki, Lukas Rytz, Seth Tisue, Scala Steward, Jamie Thompson, Antoine Amiguet, Heikki Vesalainen, Robert Stoll, guqicun.

Thanks to Lightbend for their continued sponsorship of the Scala 2 team’s efforts. Lightbend offers commercial support for Scala.

Scala 2.13 notes

The release notes for Scala 2.13.0 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
  • Obtain JARs via Maven Central

v2.13.13: Scala 2.13.13

Compare Source

The Scala team at Lightbend is pleased to announce Scala 2.13.13.

The following changes are highlights of this release:

Language
Compatibility
Align with Scala 3
  • Allow either -Xsource:3 (for preparing to switch to 3) or -Xsource:3-cross (for crossbuilding on 2 and 3); some existing users of -Xsource:3 should switch to -Xsource:3-cross to avoid unwanted behavior changes (#​10573 by @​som-snytt)
    • A new section in the Scala 3 Migration Guide documents -Xsource:3 and -Xsource:3-cross: documentation
  • For migration to 3, accommodate case companion as function (#​10648 by @​som-snytt)
  • Scala 3 migration warning for implicits found in package prefix (#​10621 by @​lrytz)
Other improvements
Known issues
  • When upgrading to 2.13.13, existing users of -Xsource:3 should explicitly consider switching to -Xsource:3-cross. Some behaviors of -Xsource:3 have changed, e.g. in result type inference for inherited methods; see new doc page for details
  • Some library authors who were already using -Xsource:3 are getting MiMa failures when upgrading to 2.13.13 and switching from -Xsource:3 to -Xsource:3-cross. If you’re in this situation, you may need to wait for 2.13.14; see scala/bug#12961
  • Users of sbt must upgrade to sbt 1.9.9 to use the console task to access the 2.13.13 REPL (sbt/sbt#7502); error message is NoSuchMethodError: org.jline.utils.AttributedString.fromAnsi
  • Regression: Scaladoc generation may fail if you are using the TASTy reader to access Scala 3 dependencies (scala/bug#12955); error message is "Unsupported Scala 3 generic tuple type"; we'll fix it in 2.13.14
  • Regression: on JDK 11 (but not 8 or 17 or 21), the REPL prints a harmless "illegal reflective access" warning at startup (scala/bug#12957); we'll fix it in 2.13.14
  • The inclusion of -Xlint:named-booleans in -Xlint (#​10612) has already proved at least somewhat controversial, and will likely be adjusted for 2.13.14; you can leave feedback on this at #​10704
More changes

For the complete 2.13.13 change lists, see all merged PRs and all closed bugs.

Compatibility

As usual for our minor releases, Scala 2.13.13 is binary-compatible 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 many of the improvements in this release.

This release was brought to you by 23 contributors, according to git shortlog -sn --no-merges @​ ^v2.13.12 ^2.12.x. Thank you A. P. Marki, Lukas Rytz, Jamie Thompson, Seth Tisue, Scala Steward, friendseeker, Paul J Thordarson, Philippus Baalman, Shardul Chiplunkar, Stefan Zeiger, Dale Wijnand, Dmitry Komanov, Eugene Yokota, Georgi Krastev, GerretS, Jason Zaugg, Martijn, Mohammad Yousuf Minhaj Zia, Roberto Tyley, Ryan Scheidter, Trey Cahill, c, Dependabot.

Thanks to Lightbend for their continued sponsorship of the Scala 2 team’s efforts. Lightbend offers commercial support for Scala.

Scala 2.13 notes

The release notes for Scala 2.13.0 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
  • Obtain JARs via Maven Central

v2.13.12: Scala 2.13.12

Compare Source

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.

Align with Scala 3
  • Emit migration warnings under -Xsource:3 as fatal warnings, not errors (#​10439 by @​som-snytt, #​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 by @​som-snytt)
Collections
  • IndexedSeq#head now throws NoSuchElementException (not IndexOutOfBoundsException) (#​10392 by @​som-snytt)
Regression fixes
Scaladoc tool changes

Library authors should be aware that the behavior of -doc-source-url has changed, as follows:

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.

Other notable changes

For the complete 2.13.12 change lists, see all merged PRs and all closed bugs.

Compatibility

As usual for our minor releases, Scala 2.13.12 is binary-compatible 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 for their continued sponsorship of the Scala 2 team’s efforts. Lightbend offers commercial support for Scala.

Scala 2.13 notes

The release notes for Scala 2.13.0 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
  • Obtain JARs via Maven Central

v2.13.11: Scala 2.13.11

Compare Source

The Scala team at Lightbend is pleased to announce Scala 2.13.11.

The following changes are highlights of this release:

Collections
Compatibility
Align with Scala 3
Lints and warnings
Other notable changes

2.13.11 also includes the changes from Scala 2.12.18. (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 and all closed bugs.

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)
  • 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)

We'll address these in Scala 2.13.12.

Compatibility

As usual for our minor releases, Scala 2.13.11 is binary-compatible 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 for their continued sponsorship of the Scala 2 team’s efforts. Lightbend offers commercial support for Scala.

Scala 2.13 notes

The release notes for Scala 2.13.0 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
  • Obtain JARs via Maven Central

v2.13.10: Scala 2.13.10

Compare Source

The Scala team at Lightbend is pleased to announce the availability of Scala 2.13.10.

The following changes are highlights of this release:

Binary compatibility regression fixed
  • Fix 2.13.9 regression which broke binary compatibility of case classes which are also value classes (#​10155)

Library maintainers should avoid publishing libraries using Scala 2.13.9.

Other notable changes
  • Fix 2.13.9 regression in linting, causing spurious "variable x is never used" warnings (#​10154)
  • -Xsource:3 now respects refinements by whitebox macro overrides (#​10160 by @​som-snytt)
  • Scaladoc tool: fix parsing bug which could cause very slow performance or incorrect output (#​10175 by @​liang3zy22)
  • Restore -Vprint-args, for echoing arguments provided to compiler (#​10164 by @​som-snytt)

For the complete 2.13.10 change lists, see all merged PRs and all closed bugs.

Compatibility

As usual for our minor releases, Scala 2.13.10 is binary-compatible 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 an especially large share of the improvements in this release.

This release was brought to you by 6 contributors, according to git shortlog -sn --no-merges @​ ^v2.13.9 ^2.12.x. Thank you A. P. Marki, Liang Yan, Seth Tisue, Antoine Parent, Luc Henninger, 梦境迷离.

Thanks to Lightbend for their continued sponsorship of the Scala core team’s efforts. Lightbend offers commercial support for Scala.

Scala 2.13 notes

The release notes for Scala 2.13.0 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):

v2.13.9: Scala 2.13.9

Compare Source

The following changes are highlights of this release:

Regression

Library maintainers should avoid publishing libraries using Scala 2.13.9. Please use 2.13.10 instead. 2.13.9 has a regression where binary-incompatible bytecode is emitted for case classes which are also value classes (case class ... extends AnyVal).

Compatibility with Scala 3
  • Tasty Reader: Add support for Scala 3.2 (#​10068)
  • Tasty Reader: Restrict access to experimental definitions (#​10020)
  • To aid cross-building, accept and ignore using in method calls (#​10064 by @​som-snytt)
  • To aid cross-building, allow ? as a wildcard even without -Xsource:3 (#​9990)
  • Make Scala-3-style implicit resolution explicitly opt-in rather than bundled in -Xsource:3 (#​10012 by @​povder)
  • Prefer type of overridden member when inferring (under -Xsource:3) (#​9891 by @​som-snytt)
JDK version support
Warnings and lints
Language improvements
  • Improve support for Unicode supplementary characters in identifiers and string interpolation (#​9805 by @​som-snytt)
Compiler options
Security
  • Error on source files with Unicode directional formatting characters (#​10017)
  • Prevent Function0 execution during LazyList deserialization (#​10118)
Bugfixes
  • Emit all bridge methods non-final (perhaps affecting serialization compat) (#​9976)
  • Fix null-pointer regression in Vector#prependedAll and Vector#appendedAll (#​9983)
  • Improve concurrent behavior of Java ConcurrentMap wrapper
    (#​10027 by @​igabaydulin)
  • Preserve null policy in wrapped Java Maps (#​10129 by @​som-snytt)

Changes that shipped in Scala 2.12.16 and 2.12.17 are also included in this release.

For the complete 2.13.9 change lists, see all merged PRs and all closed bugs.

Compatibility

As usual for our minor releases, Scala 2.13.9 is binary-compatible 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 an especially large share of the improvements in this release.

This release was brought to you by 27 contributors, according to git shortlog -sn --no-merges @​ ^v2.13.8 ^2.12.x. Thank you A. P. Marki, Lukas Rytz, Seth Tisue, Jamie Thompson, Sébastien Doeraene, Scala Steward, Georgi Krastev, Jason Zaugg, Philippus, Balys Anikevicius, Gilad Hoch, NthPortal, Zhang Zhipeng, Arman Bilge, Dale Wijnand, Dominik Helm, Eric Huang, Guillaume Martres, Harrison Houghton, Krzysztof Pado, Michał Pałka, Zeeshan Arif, counter2015, jxnu-liguobin, mcallisto, naveen, philwalk.

Thanks to Lightbend for their continued sponsorship of the Scala core team’s efforts. Lightbend offers commercial support for Scala.

Scala 2.13 notes

The release notes for Scala 2.13.0 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):

v2.13.8: Scala 2.13.8

Compare Source

The Scala team at Lightbend is pleased to announce the availability of Scala 2.13.8.

This is a modest, incremental release focused on addressing regressions in 2.13.7.

Highlights

A few small changes that will ship in 2.12.16 are also included in this release.

For the complete 2.13.8 change lists, see all merged PRs and all closed bugs.

Compatibility

As usual for our minor releases, Scala 2.13.8 is binary-compatible 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.

This release was brought to you by 8 contributors, according to git shortlog -sn --no-merges @​ ^v2.13.7 ^2.12.x. Thank you A. P. Marki, Seth Tisue, Georgi Krastev, Jason Zaugg, Lukas Rytz, Martijn Hoekstra, Philippus Baalman, Chris Kipp.

Thanks to Lightbend for their continued sponsorship of the Scala core team’s efforts. Lightbend offers commercial support for Scala.

Scala 2.13 notes

The [release notes for Scala 2.13.0](https://redirect.github.com/scala/scala/releases/v2.13.0

Configuration

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@renovate renovate bot added the auto-dep label Aug 10, 2020
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