Release highlights Security audit fixes Scala 3.8.4 includes improvements and fixes for issues discovered during the Scala codebase security audit carried out in collaboration with the Open Source Technology Improvement Fund and Quarkslab. Notable fixes in this release include: Hardened TASTy parsing to prevent infinite loops on maliciously crafted files ( #25676 ) Fixed a stored XSS vulnerability in Scaladoc ( #25681 ) Improved error handling in scala.sys.process.Parser.tokenize ( #25675 ) Fixed TastyPrinter’s JAR-walking logic to include subdirectories ( #25678 ) :help syntax for all compile
Scala 3.8.4 is now available!
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June 5, 2026
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scala