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 was the start of a new framework generation in November 2022, with a JDK 17 and Jakarta EE 9 baseline. Open source support ended on August 31st, 2024; commercial support options remain available. 5.3.x was the final feature branch of the 5th generation, with long-term support provided