Scala 3.9+OpenJDK 10

Why?

Why is Scala 3.9 incompatible with OpenJDK 10?

Requirement

OpenJDK >=17.0.0

Selected version

OpenJDK 10

Evaluation

10.0.2 does not satisfy >=17.0.0

Conclusion

INCOMPATIBLE

Evidence

CompatHub reports compatibility from upstream sources rather than making unsupported claims of its own.

• Scala JDK Compatibility

  Confidence: HIGH

  https://docs.scala-lang.org/overviews/jdk-compatibility/overview.html

  Retrieved 2 September 2026

  Requirement: >=17.0.0

OpenJDK versions

Compatibility is derived from the project's declared OpenJDK requirement (>=17.0.0); it does not mean every version combination has been independently tested.

• 9❌
• 10❌
• 11❌
• 12❌
• 13❌
• 14❌
• 15❌
• 16❌
• 17✓
• 18✓
• 19✓
• 20✓
• 21✓
• 22✓
• 23✓
• 24✓
• 25✓
• 26✓

Other OpenJDK versions satisfying this requirement

Scala 3.9 — compatible OpenJDK lines tracked in CompatHub

• ✓OpenJDK 17version linesupported
• ✓OpenJDK 18version lineEOL
• ✓OpenJDK 19version lineEOL
• ✓OpenJDK 20version lineEOL
• ✓OpenJDK 21version linesupported
• ✓OpenJDK 22version lineEOL
• ✓OpenJDK 23version lineEOL
• ✓OpenJDK 24version lineEOL
• ✓OpenJDK 25version linesupported
• ✓OpenJDK 26version linesupported

Other Scala versions

Only lines with relevant compatibility evidence are listed.

• Scala 3.9
• Scala 3.8
• Scala 3.7
• Scala 3.6
• Scala 3.5
• Scala 3.4
• Scala 3.3
• Scala 2.13
• Scala 2.12

Lifecycle context

Lifecycle status is separate from compatibility. An EOL component can still satisfy a documented version requirement.