0.5.11 (2026-04-06)

We're happy to announce the release of Scala Native 0.5.11

Supported Scala versions

Upon release of new Scala version (stable, or Scala 3 RC) version dependent artifacts would be published without a new release.

Contributors

Big thanks to everybody who contributed to this release or reported an issue!

$ git shortlog -sn --no-merges v0.5.10..v0.5.11
    19  Wojciech Mazur
     5  LeeTibbert
     3  ghstrider
     2  Eric K Richardson
     2  João Costa
     2  Lorenzo Gabriele
     2  dependabot[bot]
     1  Anton Sviridov
     1  Lanqing Huang
     1  Rikito Taniguchi

Merged PRs

v0.5.11 (2026-04-05)

Full Changelog

Merged pull requests:

Scala Native Runtime

• Try to prevent failure in module loading if initialization takes long time #4759 (WojciechMazur)
• Increase timeouts and provide additional context for flaky module-init-exception on Windows #4765 (WojciechMazur)
• Fix "classFieldRawPtr doesn't find inherited var if it's more than 1 level away [#4777]" #4789 (lolgab)
• [GC:Immix,Commix] Fix stack marking for early garbage collection #4787 (WojciechMazur)
• [GC: Boehm] Support WeakReferences when using Boehm GC #4792 (WojciechMazur)
• Fix handling exceptions in resumed continuations #4794 (WojciechMazur)
• Rebase frame pointer safely and restore nested exception handlers #4797 (WojciechMazur)
• fix: Reduce code size for Tag's offset #4807 (lolgab)

Scala Native Toolchain

• Optimizations to modules init, increase changes to skip module loading at runtime #4774 (WojciechMazur)
• Avoid allocating a distinct collection in mergePhi #4796 (JD557)
• Fix resource embedding logic #4815 (WojciechMazur)

Scala Native sbt plugin

• Add support for sbt 2.0 #4768 (WojciechMazur)
• Update sbt 2 to 2.0.0-RC9 #4782 (WojciechMazur)
• Update sbt 2 to 2.0.0-RC10 #4818 (WojciechMazur)
• Manually redirect out/err when running in SBT plugin #4786 (keynmol)

Java standard library

• Fix [#4760]: os.arch system property mismatch with JVM now reports arm64 as aarch64 #4763 (ekrich)
• Fix [#2329]: Set os.version property on macOS #4779 (ghstrider)
• Fix Ryu float trailing zeros bug in dvIsTrailingZeros condition #4766 (tanishiking)
• Apply found fixes to incompatibilies in JSR166 clases implementation or signatures #4770 (WojciechMazur)
• Fix [#4385]: Preserve channel position in FileChannel#read(buffer, position) #4781 (ghstrider)
• Correct a math defect in j.n.c.FileChannelImpl#transferTo #4790 (LeeTibbert)
• Fix [#4783]: Update ScalaOps #4784 (ekrich)
• Add JDK 9 StringBuilder overloads for Matcher.appendReplacement & appendTail #4813 (LeeTibbert)
• Implement JSR-166 juc.Phaser & associated Tests #4801 (LeeTibbert)
• Implement j.u.concurrent.atomic {Double, Long}Accumulator & corresponding Tests #4802 (LeeTibbert)
• [javalib] ForkJoinPool: Detect apparently active workers in the ForkJoinPool.canStop #4822 (WojciechMazur)

POSIX bindings

• Implement Open Group Issue 8 changes for posixlib poll.scala #4635 (LeeTibbert)

Other

• [docs] Include latest release versions in release-types page #4776 (WojciechMazur)
• Fix [#4603]: Remove sphinx-markdown-tables to fix broken footnote links in docs #4780 (ghstrider)
• Remove useless toList conversion #4791 (JD557)