Johannes Bechberger • 9/14/2026

Java 27 is only boring on the surface.

Java 27 is stable but brings significant under-the-hood JVM changes. Key updates include G1 GC as default, removal of JVMCI, new TLS features, and previews of Lazy Constants, Structured Concurrency, and Vector API. Also covers fixes, removed features, and minor improvements in crypto, JFR, and tools.

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#jvm #Java #Jdk