Forwardport JDK 20 -> JDK 21 -------------
Commit messages: - Merge remote-tracking branch 'jdk20/master' into Merge_jdk20 - 8301989: new javax.swing.text.DefaultCaret().setBlinkRate(N) results in NPE - 8301863: ObjectInputFilter example incorrectly calls rejectUndecidedClass The merge commit only contains trivial merges, so no merge-specific webrevs have been generated. Changes: https://git.openjdk.org/jdk/pull/12484/files Stats: 69 lines in 3 files changed: 50 ins; 9 del; 10 mod Patch: https://git.openjdk.org/jdk/pull/12484.diff Fetch: git fetch https://git.openjdk.org/jdk pull/12484/head:pull/12484 PR: https://git.openjdk.org/jdk/pull/12484
