6.2.x is the upcoming feature branch (November 2024). 6.1.x is the main production line as of November 2023. 6.0.x is the previous production line, available since November 2022. This new framework generation comes with a JDK 17 and Jakarta EE 9 baseline. 5.3.x is the final feature branch of the 5th generation, with long-term support provided on JDK 8, JDK 11, JDK 17, JDK 21 and the Java EE 8 leve