JDK 27 introduces nine JEPs including G1 as universal default GC, 64-bit compact object headers cutting heap usage 25%, default post-quantum TLS 1.3 key exchange, plus preview features like lazy constants, primitive pattern matching, structured concurrency, and Vector API for AI acceleration.
JDK 27 introduces three major default behavior changes—G1 as universal garbage collector, 64-bit compact object headers reducing heap usage by 25%, and post-quantum hybrid key exchange for TLS 1.3—plus preview features like structured concurrency, lazy constants, primitive pattern matching, and Vector API for AI workloads.
JDK 27 delivers nine JEPs including G1 as universal default GC, compact object headers cutting heap usage by 25%, post-quantum TLS 1.3 enabled by default, plus preview features like lazy constants, primitive pattern matching, structured concurrency, and Vector API for AI workloads.
JDK 27 introduces nine JEPs including G1 as universal default GC, compact object headers reducing heap usage by 25%, and post-quantum TLS 1.3 hybrid key exchange enabled by default — all requiring zero code changes — plus preview features like lazy constants, primitive pattern matching, structured concurrency, and Vector API for AI workloads.
