This week's Java roundup for September 14th, 2026, features news highlighting: the GA release of JDK 27, LibericaJDK 27, Open J Proxy 1.0 and A2A Jakarta 1.0; point releases of Azul Payara, JHipster, JetBrains Ktor and BoxLang; and introducing Netflix ja, a modern JMS command line development experience for Java developers. By Michael Redlich