RELEASE NOTES FOR: 21.0.2
====================================================================================================

Notes generated: Sun Sep 24 07:55:55 CEST 2023

Hint: Prefix bug IDs with https://bugs.openjdk.org/browse/ to reach the relevant JIRA entry.

JAVA ENHANCEMENT PROPOSALS (JEP):

  None.

RELEASE NOTES:

  None.

ALL FIXED ISSUES, BY COMPONENT AND PRIORITY:

client-libs/javax.swing:
  (P4) JDK-8311585: Add JRadioButtonMenuItem to bug8031573.java

core-libs/java.lang:
  (P2) JDK-8310982: jdk/internal/util/ArchTest.java fails after JDK-8308452 failed with Method isARM()
  (P3) JDK-8309545: Thread.interrupted from virtual thread needlessly resets interrupt status
  (P4) JDK-8308452: Extend internal Architecture enum with byte order and address size
  (P4) JDK-8314094: java/lang/ProcessHandle/InfoTest.java fails on Windows when run as user with Administrator privileges
  (P4) JDK-8314759: VirtualThread.parkNanos timeout adjustment when pinned should be replaced

core-libs/java.lang.foreign:
  (P3) JDK-8311630: [s390] Implementation of Foreign Function & Memory API (Preview)

core-libs/java.net:
  (P3) JDK-8316031: SSLFlowDelegate should not log from synchronized block
  (P4) JDK-8308593: Add KEEPALIVE Extended Socket Options Support for Windows
  (P4) JDK-8316399: Exclude java/net/MulticastSocket/Promiscuous.java on AIX
  (P4) JDK-8316387: Exclude more failing multicast tests on AIX after JDK-8315651
  (P4) JDK-8316113: Infinite permission checking loop in java/net/spi/InetAddressResolverProvider/RuntimePermissionTest
  (P4) JDK-8315651: Stop hiding AIX specific multicast socket errors via NetworkConfiguration (aix)

core-libs/java.nio:
  (P3) JDK-8312166: (dc) DatagramChannel's socket adaptor does not release carrier thread when blocking in receive
  (P3) JDK-8313873: java/nio/channels/DatagramChannel/SendReceiveMaxSize.java  fails on AIX due to small default RCVBUF size and different IPv6 Header interpretation

core-libs/java.util:
  (P4) JDK-8315751: RandomTestBsi1999 fails often with timeouts on Linux ppc64le

core-libs/java.util.logging:
  (P2) JDK-8314263: Signed jars triggering Logger finder recursion and StackOverflowError
  (P3) JDK-8315696: SignedLoggerFinderTest.java test failed
  (P4) JDK-8316087: Test SignedLoggerFinderTest.java is still failing

core-svc/tools:
  (P4) JDK-8315702: jcmd Thread.dump_to_file slow with millions of virtual threads

hotspot/compiler:
  (P2) JDK-8313756: [BACKOUT] 8308682: Enhance AES performance
  (P2) JDK-8313760: [REDO] Enhance AES performance
  (P4) JDK-8316178: Better diagnostic header for CodeBlobs
  (P4) JDK-8311813: C1: Uninitialized PhiResolver::_loop field
  (P4) JDK-8313322: RISC-V: implement MD5 intrinsic
  (P4) JDK-8315612: RISC-V: intrinsic for unsignedMultiplyHigh
  (P4) JDK-8315931: RISC-V: xxxMaxVectorTestsSmokeTest fails when using RVV
  (P4) JDK-8314935: Shenandoah: Unable to throw OOME on back-to-back Full GCs
  (P5) JDK-8315549: CITime misreports code/total nmethod sizes

hotspot/gc:
  (P3) JDK-8299614: Shenandoah: STW mark should keep nmethod/oops referenced from stack chunk alive
  (P4) JDK-8311514: Incorrect regex in TestMetaSpaceLog.java

hotspot/jfr:
  (P4) JDK-8316400: Exclude jdk/jfr/event/runtime/TestResidentSetSizeEvent.java on AIX

hotspot/runtime:
  (P2) JDK-8315206: RISC-V: hwprobe query is_set return wrong value

infrastructure/build:
  (P3) JDK-8313167: Update to use jtreg 7.3
  (P3) JDK-8314495: Update to use jtreg 7.3.1
  (P4) JDK-8312466: /bin/nm  usage in AIX makes needs -X64 flag
  (P4) JDK-8315863: [GHA] Update checkout action to use v4
  (P4) JDK-8311938: Add default cups include location for configure on AIX
  (P4) JDK-8313244: NM flags handling in configure process
  (P4) JDK-8315688: Update jdk21u fix version to 21.0.2

security-libs/java.security:
  (P3) JDK-8308592: Framework for CA interoperability testing
  (P3) JDK-8313206: PKCS11 tests silently skip execution
  (P4) JDK-8309305: sun/security/ssl/SSLSocketImpl/BlockedAsyncClose.java fails with jtreg test timeout

security-libs/javax.crypto:
  (P3) JDK-8314045: ArithmeticException in GaloisCounterMode

tools:
  (P4) JDK-8315214: Do not run sun/tools/jhsdb tests concurrently

tools/jar:
  (P4) JDK-8315644: increase timeout of sun/security/tools/jarsigner/Warning.java

tools/javac:
  (P3) JDK-8315452: Erroneous AST missing modifiers for partial input
  (P4) JDK-8314632: Intra-case dominance check fails in the presence of a guard
  (P4) JDK-8314226: Series of colon-style fallthrough switch cases with guards compiled incorrectly
  (P4) JDK-8315735: VerifyError when switch statement used with synchronized block

tools/jlink:
  (P3) JDK-8311591: Add SystemModulesPlugin test case that splits module descriptors with new local variables defined by DedupSetBuilder
  (P3) JDK-8315383: jlink SystemModulesPlugin incorrectly parses the options
  (P4) JDK-8315578: PPC builds are broken after JDK-8304913
  (P4) JDK-8315579: SPARC64 builds are broken after JDK-8304913

tools/jpackage:
  (P4) JDK-8314121: test tools/jpackage/share/RuntimePackageTest.java#id0 fails on RHEL8
  (P4) JDK-8311631: When multiple users run tools/jpackage/share/LicenseTest.java, Permission denied for writing /var/tmp/*.files

tools/jshell:
  (P3) JDK-8313792: Verify 4th party information in src/jdk.internal.le/share/legal/jline.md