Java News Roundup: Oracle Critical Patch Update, Grizzly 5, Payara Platform, GraalVM, Liberica JDK

This week’s Java roundup for January 19th, 2026, features news highlighting: JEP 527, Post-Quantum Hybrid Key Exchange for TLS 1.3, targeted for JDK 27; GlassFish Grizzly 5.0; the quarterly release of the Oracle Critical Patch Update (CPU) Advisory; the January 2026 edition of the Payara Platform; and maintenance releases of Liberica JDK, GraalVM, OpenXava and Ktor.

By Michael Redlich