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Post-Quantum TLS

2 articles · Page 1 of 1

Sep 17, 2026 · Backend Development

Java 27 Released: G1 Default GC, Compact Object Headers, Post-Quantum TLS, JFR Redaction

Java 27 introduces four final features: G1 becomes the universal default garbage collector, compact object headers reduce memory overhead by 4 bytes per object, TLS 1.3 adds post-quantum hybrid key exchange by default, and JFR automatically redacts sensitive data like passwords and tokens before recording.

Compact Object HeadersG1 GCJFR Redaction

0 likes · 18 min read

Java 27 Released: G1 Default GC, Compact Object Headers, Post-Quantum TLS, JFR Redaction

Java Tech Enthusiast

Sep 15, 2026 · Backend Development

JDK 27: 5 Critical Features – 22% Less Memory, Quantum-Safe TLS, G1 GC Default

JDK 27 introduces nine JEPs, highlighted by G1 GC becoming the universal default, compact object headers cutting heap memory by 22%, post-quantum TLS 1.3 key exchange, JFR data redaction for compliance, and structured concurrency reaching its seventh preview, delivering immediate performance gains and future-proof security for Java applications.

Compact Object HeadersG1 GCJDK 27

0 likes · 11 min read

JDK 27: 5 Critical Features – 22% Less Memory, Quantum-Safe TLS, G1 GC Default