Concurrent Chunk Management Engine (Fabric)

C2ME Preview channel 0.3.0+beta.1 for Minecraft 1.21.3 is released

The first preview release.

Changelog:

• build: 1.21.3
• perf: chunk system rewrite
• perf: native acceleration v2
• perf: density function compiler v0 (#361)
• perf: optimize aquifer heavily
• perf: consolidate light update notifications
• perf: improve idle loop for storage threads
• perf: reduce GC pressure
• new: further increase maximum render distance
• new: add ext_render_distance_v1 protocol for 127+ RD multiplayer
• new: log changed settings on startup
• new: actually unload POI
• new: uncap render distance in VulkanMod
• fix: mitigate ghost mushroom past simulation distance
• fix: improve player ticket consistency
• change: use twice the parallelism for notickvd max concurrent loads