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:3now 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):
- Bump the
scalaVersionsetting in your sbt-based project - Download a distribution from scala-lang.org
- Obtain JARs via Maven Central