https://openjdk.org/projects/jdk/27/
Features
523: Make G1 the Default Garbage Collector in All Environments
527: Post-Quantum Hybrid Key Exchange for TLS 1.3
531: Lazy Constants (Third Preview)
532: Primitive Types in Patterns, instanceof, and switch
(Fifth Preview)
533: Structured Concurrency (Seventh Preview)
534: Compact Object Headers by Default
536: JFR In-Process Data Redaction
537: Vector API (Twelfth Incubator)
538: PEM Encodings of Cryptographic Objects (Third Preview)
Features
523: Make G1 the Default Garbage Collector in All Environments
527: Post-Quantum Hybrid Key Exchange for TLS 1.3
531: Lazy Constants (Third Preview)
532: Primitive Types in Patterns, instanceof, and switch
(Fifth Preview)
533: Structured Concurrency (Seventh Preview)
534: Compact Object Headers by Default
536: JFR In-Process Data Redaction
537: Vector API (Twelfth Incubator)
538: PEM Encodings of Cryptographic Objects (Third Preview)