Since the MC 1.17 update will be quite some work, I'm releasing a 1.16 stable support update early on.

Not MC 1.17 compatible

Changes:

• [Fixed] JDK16 support + fix illegal access warnings
• [Fixed] Several field reflection warnings
• [Fixed] Trailing whitespace was not persisted in YAML configuration
• [Fixed] Lighting handler timing out when chunks needed to be loaded
• [Fixed] Fix portal-related errors on MC 1.15
• [Improved] The /debug (/commondebug) command is no longer registered when not used
• [Fixed] [Forge] CubicChunk server crash due to null player
• [Fixed] [Forge] ArcLight compatibility fixes
• [Fixed] [Forge] Error when many block types were registered
• [Improved] Vector3f performance improvement
• [Improved] MapDisplay API more flexible with (lack of) custom constructors
• [Fixed] MapDisplay recovery when server is reloaded
• [Fixed] Lever BlockData state was not always correct, resulting in weird glitches
• [Fixed] UltraPerms compatibility fix, prevents slow initialization lag