Binary milestone
Class File 69.0
Class file 69.0 corresponds to Java 25, the current LTS milestone as of 2026 and the newest long-term production anchor.
69.0LTSCurrent production anchor
All About Class File 69.0
Class File 69.0 • 2025 • Java 25
69.0LTSCurrent production anchor
All About Class File 69.0
Class file 69.0 corresponds to Java 25, the current LTS milestone as of 2026 and the newest long-term production anchor.
Compatibility meaning
Why the version number matters
The class file version is the binary compatibility signal that tells tooling and runtimes which generation of compiled Java bytecode they are dealing with.
This class file milestone aligns with an LTS anchor, so it matters both for binary compatibility and for long-term operational baselines.
javap -verbose MyClass.class
# look for: major version 69Release context
What was happening around this milestone
LTS
Class file 69.0 corresponds to Java 25, the current LTS milestone as of 2026 and the newest long-term production anchor.
Related pages
Continue through binary and runtime history
Common Class File
Return to the class file timeline and compare this version with adjacent milestones.
Common Java
See the source-language side of the Java release associated with this class file version.
Common JLS
Compare source-language specification changes with binary-format evolution.
Common JDK
Use the platform view when you want to connect bytecode changes to tooling and runtime packaging.