0.5.8 (2025-06-06)

Supported Scala versions

Scala Binary Version	Supported Scala Versions
2.12	2.12.14 ... 2.12.20
2.13	2.13.8 ... 2.13.16
3	3.1.2 ... 3.1.3 3.2.0 ... 3.2.2 3.3.0 ... 3.3.4 3.4.0 ... 3.4.3 3.5.0 ... 3.5.2 3.6.2 ... 3.6.4 3.7.0 ... 3.7.1

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

Commits since last release	73
Merged PRs	63
Contributors	11

Contributors

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

$ git shortlog -sn --no-merges v0.5.7..v0.5.8
  26 Wojciech Mazur
  24 LeeTibbert
   6 Eric K Richardson
   5 João Costa
   4 Leonid Dubinsky
   2 Corey O'Connor
   2 dependabot[bot]
   1 Daniel Urban
   1 He-Pin(kerr)
   1 Rikito Taniguchi
   1 ekrich

Merged PRs

v0.5.8 (2025-06-06)

Full Changelog

Merged pull requests:

Scala Native Runtime

• Reduce number of wrappers when fetching aliveThreads #4250 (JD557)

• Preserve information about exception in module init #4279 (WojciechMazur)

• Reduce allocations in fromCString #4299 (JD557)

• Make error messages more consistent #4310 (JD557)

• Update libunwind to 20.1.4 #4330 (WojciechMazur)

• Fix Windows mingw build issues #4327 (WojciechMazur)

• Configure default GC settings at compile time #4338 (ekrich)

• Add fromCStringSlice #4304 (JD557)

Scala Native toolchain

• Fix isPositionIndependentBinary #4301 (durban)

• Add Build.buildCachedAwait in toolchain` #4326 (WojciechMazur)

• Enforce stronger memory model guarantees for Array/Ptr ops #4328 (WojciechMazur)

• Fix logging not embeded resource files #4362 (WojciechMazur)

• Ensure debug positions are in LLVM limits #4331 (WojciechMazur)

Java Standard Library

• Implement JDK 15 jl.String#formatted #4248 (LeeTibbert)

• Implement two JDK21 String#indexOf variants #4252 (LeeTibbert)

• Implement two JDK9 java.lang compareUnsigned methods #4256 (LeeTibbert)

• Fix #4131: Implement some JDK 17 JEP356 RandomGenerator methods #4267 (LeeTibbert)

• Simplify & update j.u.Collections#shuffle methods #4281 (LeeTibbert)

• Handle IO exceptions when walking searching for source code files #4283 (WojciechMazur)

• Implement java.util.Arrays JDK9 methods; align with JDK 24 #4277 (LeeTibbert)

• Implement basic java.lang.System.Logger #4290 (WojciechMazur)

• Align j.l.StringBuilder & StringBuffer with JDK24 #4271 (LeeTibbert)

• Fix #4297: javalib charset CoderResult#toString now matches JVM #4298 (LeeTibbert)

• Faster UTF-8 decoding from mixed buffers #4291 (JD557)

• Fix #4284: JDK 8 Arrays#equals(Double/Float) now use Java semantics #4293 (LeeTibbert)

• Fix java.lang.reflect.Array.newInstance for multi dimensional arrays #4309 (WojciechMazur)

• Implement JDK11 Collection#toArray(generator: IntFunction) method #4305 (LeeTibbert)

• javalib: add alternative paths to get resources #4312 (ekrich)

• javalib: Ensure ArrayList#clone creates independent state #4319 (tanishiking)

• Port java.lang.Math#unsignedMultiplyHigh from Scala.js #4340 (LeeTibbert)

• unix javalib jl.Process waitFor changes for os-lib #4349 (LeeTibbert)

• Unix-only partial fix to javalib jnf.Path#normalize() handling of dot-dot #4344 (LeeTibbert)

• Windows-only partial fix to javalib jnf.Path#normalize() handling of dot-dot #4347 (LeeTibbert)

• Implement javalib JEP 431 SequencedCollection and SequencedSet interfaces #4333 (LeeTibbert)

• Fix #4352: javalib UnixProcessGen2 is now atomic #4353 (LeeTibbert)

Other

• Add Scala 3.6.4 to the build #4262 (WojciechMazur)

• Scala 3.7.0-RC1 support #4264 (WojciechMazur)

• Add Scala 3.7.0 and 3.3.6 LTS to the build #4325 (WojciechMazur)

• Add Scala 3.7.1 to the build #4355 (WojciechMazur)

• Add a devenv.sh environment setup #4318 (coreyoconnor)

• docs: further build setup information #4346 (coreyoconnor)

• Fix #4359: Posixlib waitid status param needs to be ptr siginfo_t infop #4356 (ekrich)

Scala Native sbt plugin

• Fix waiting for Future that failed due to a fatal error. #4307 (WojciechMazur)

Testing interface adapter

• Avoid ConcurrentModificationException by using a CCHM. #4315 (He-Pin)

• JUnit: populate sbt.testing.Event.throwable and duration. #4320 (dubinsky)

• Remove spurious dependency of test-interface on junit-runtime. #4342 (dubinsky)