On Tue, 10 Mar 2026 18:22:54 GMT, Sergey Bylokhov <[email protected]> wrote:
> [JDK-8352638](https://bugs.openjdk.org/browse/JDK-8352638) added final to > public classes in `java.desktop/windows` including the Windows L&F package as > a code consistency cleanup. This breaks applications that extend UI classes > and they get `IncompatibleClassChangeError` at runtime. > > Although this package is not part of the public API, we decided to remove the > final modifier from all public and protected classes, as well as their inner > classes in `com.sun.java.swing.plaf.windows`. Package-private classes, > private inner classes, and the `@Override` annotations introduced by > JDK-8352638 remain unchanged. > > Notes: > - Most of the changed files are UI delegates or related classes, the next > public utility classes `WindowsBorders`, `WindowsIconFactory` and > `WindowsGraphicsUtils` are not reverted. This pull request has now been integrated. Changeset: 4d262375 Author: Sergey Bylokhov <[email protected]> URL: https://git.openjdk.org/jdk/commit/4d2623757fbe8c9fa8c22817a993ca85a2403873 Stats: 91 lines in 41 files changed: 0 ins; 0 del; 91 mod 8359433: The final modifier on Windows L&F internal UI classes prevents extending them in apps Reviewed-by: prr, aivanov ------------- PR: https://git.openjdk.org/jdk/pull/30170
