Next Scala 3 LTS series will increase minimum required JDK version

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TL;DR

The Scala 3 Next minors in 2025 Q4 and the next LTS will drop JDK 8 support. We are seeking feedback on whether the new minimum JDK should be 11 or 17.

Immediate motivation

The memory-access methods in sun.misc.Unsafe are scheduled for removal in a future JDK, as stated in the recent JEP 471. Currently, Scala 3 uses sun.misc.Unsafe in its implementation of lazy val. In order to support JDK 25+, we will need to drop usage of Unsafe. We are investigating the required changes under this issue.

It then started to dawn on the compiler team that we might consider dropping suppo...

Get the full details here: Next Scala 3 LTS series will increase minimum required JDK version | The Scala Programming Language