New Scala LTS 3.3.8 has been released

Scala 3.3.8 LTS is now available!

This patch release backports most of the bugfixes and some of the improvements introduced in the Scala Next series to the Scala 3.8.4 release. All of the backported changes were proven to not break either binary or source compatibility, by testing over 1500 projects in the Scala 3 Open Community Build.

Notable changes

  • Support for JDK 26 #24430

  • Multiple coverage improvement to make it on par with Scala 2 support including // $COVERAGE-OFF$ and // $COVERAGE-ON$ markers

  • New @uncheckedOverride annotation for definitions that may override. #24545

  • Trap Ctrl-C in the REPL: if no command is running clear the prompt, if some command is running ask for confirmation before exiting. #24127

  • Numerous linting and presentation compiler improvements and fixes.

  • New ‘-YfutureLazyVals’ options that allows to compile with new lazy val implementation compatible with all JDK 9+ #637

For a full list of changes and contributor credits, please refer to the release notes.

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