Java 25 LTS Is Here. Your Framework Ready for the Migration?

Java 25 LTS Is Here. Your Framework Ready for the Migration?

Spoiler: If you're using Spring Boot, probably not. If you're using Solon 4.0, just swap the JDK and go.

Update (June 2026): JDK 26 is already out. Java 25 LTS has been the recommended baseline for 9 months. And Oracle's NFTC license for Java 21 expires in September 2026 — meaning millions of enterprise applications need to move to Java 25 or face licensing risks.

If you've been through a major Java migration before (Java 8 → 11, or 11 → 17), you know the drill:

Dependency incompatibilities