8225426: Replace plain with system-default in Socket and ServerSocket Reviewed-by: alanb, dfuchs

8224826: Implement fast class initialization checks on PPC64 Reviewed-by: vlivanov, gromero

8225509: clean_catch_blocks must add preds first Reviewed-by: kvn

8209917: fix TODO in GatherDiagnosticInfoObserver Reviewed-by: jjg, dholmes

8205131: remove Runtime trace methods Reviewed-by: lancea, rriggs, iklam

8225532: Update source enums to describe 12 and 13 language features Reviewed-by: jjg

8225492: Update JVMCI Reviewed-by: iveresov, kvn

8225514: Shenandoah: ShenandoahCodeRoots should inherit from AllStatic Reviewed-by: shade

8222828: vmTestbase/nsk/jdi/BScenarios/multithrd/tc02x004/TestDescription.java failed Reviewed-by: cjplummer, gadams, jcbeyler

8222412: AARCH64: multiple instructions encoding issues Reviewed-by: aph

8224952: RI deviates from JVMS - non-zero minor_version for class files throws UnsupportedClassVersionError. Summary: Change the JVM to follow the JVM Spec and accept non-zero minor_version for appropriate older class file versions. Reviewed-by: acorn, dholmes, iignatyev

8221719: Jarsigner fails to verify signed by alias if alias given in wrong case Reviewed-by: weijun Contributed-by: Philipp Kunz <philipp.kunz@paratix.ch>

8225227: ZGC: Be exact in what load barrier to use in ZHeapIterator Reviewed-by: stefank

8224966: ZGC: Don't skip oop verification in OopMapSet::all_do() Reviewed-by: stefank, eosterlund

8224865: Replace wildcard address with loopback or local host in tests - part 13 Summary: Fixes intermittent failures observed in some network tests Reviewed-by: chegar