Java News Roundup: JDK 27 Release Schedule, Hibernate, LangChain4j, Keycloak, Helidon, Junie CLI

This week's Java roundup for April 6th, 2026, features news highlighting: the fifth preview of Primitive Types in Patterns, instanceof and switch; the proposed release schedule for JDK 27; point releases of Hibernate, LangChain4j, Keycloak and Google ADK for Java; a maintenance release of Helidon; a CVE in Spring Cloud Gateway; and the Junie CLI integrated in JetBrains IDEs.