RELEASE NOTES: JDK 21.0.11

Notes generated: Fri Dec 12 07:03:51 CET 2025

JEPs

None.

RELEASE NOTES

None.

FIXED ISSUES

client-libs/2d

Priority Bug Summary
P4 JDK-8368882 NPE during text drawing on machine with JP locale

client-libs/java.awt

Priority Bug Summary
P3 JDK-6899304 java.awt.Toolkit.getScreenInsets(GraphicsConfiguration) returns incorrect values
P4 JDK-8372048 Performance improvement on Linux remote desktop

core-libs/java.nio

Priority Bug Summary
P4 JDK-8114830 (fs) Files.copy fails due to interference from something else changing the file system
P4 JDK-8317838 java/nio/channels/Channels/SocketChannelStreams.java running into timeout (aix)
P4 JDK-8366128 jdk/jdk/nio/zipfs/TestPosix.java::testJarFile uses wrong file

core-libs/java.util

Priority Bug Summary
P3 JDK-8301875 java.util.TimeZone.getSystemTimeZoneID uses C library default file mode

infrastructure

Priority Bug Summary
P4 JDK-8372464 Bump update version for OpenJDK: jdk-21.0.11

xml/jaxp

Priority Bug Summary
P4 JDK-8336695 Update Commons BCEL to Version 6.10.0