JDK 21 in Rampdown Phase Two
"JDK 21 is in Rampdown Phase Two. The overall feature set is frozen. No further JEPs will be targeted to this release." https://openjdk.org/projects/jdk/21/ Features (previews omitted):
- JSR 431: Sequenced
Collections - JSR 439: Generational ZGC
- JSR 440: Record Patterns
- JSR 441: Pattern Matching for switch
- JSR 444: Virtual Threads
- JSR 449: Deprecate Windows 32-bit Port
- JSR 451: Prepare to Disallow the Dynamic Loading of Agents
- JSR 452: Key Encapsulation Mechanism API