Changelog

• #13088 - Documented Jetty module changes.
• #13085 - Improvements to HTTP/2 session container code.
• #13067 - Fix default fallback Jetty version
• #13064 - Jetty 12.0.x/12.1.x: ShutdownMonitorTest is stuck
• #13046 - Restore ee9 (and ee8) behaviors with parsing application/x-www-form-urlencoded parameters