ModJS

Builds in this release: forge-1.20.1, forge-1.21.1, forge-26.1.2, forge-26.2, forge-26.3, neoforge-1.20.1, neoforge-1.21.1, neoforge-26.1.2, neoforge-26.2, neoforge-26.3.

Guide: https://itmecasey.com/wiki/modjs/

Changes:

• Verify run-time dimensions on all builds
• Worldgen self test generates chunks on all ten builds; status for builders, assets, commands, worldgen
• Item and block builder self tests on all ten builds; fix glow and the noItem loot table; bump all ten builds to 2026.11.29
• Forge 1.21.1 dev client: probe results and cause documented
• F3 lines on NeoForge 26.x: switch the entry on at world join; seen on a client on 26.1.2 and 26.3
• Self test checks for the Text helpers on all ten builds; all ten self tests pass
• Title frames for Forge and NeoForge 26.3; notes on the F3 client check
• Docs, changelog and status for the NeoForge 26.x F3 lines
• F3 debug lines on NeoForge 26.1.2, 26.2 and 26.3 through a debug screen entry; bump those builds to 2026.11.29; docs
• Title screen frames for six more builds; status
• Fix the vanilla logo on scripted title screens on 1.20.1; title screen frames, status and porting notes
• Self test teleports a player into a run-time dimension and back on 1.20.1; porting notes and status
• Self test generates chunks and counts script-added ore; status, porting notes and changelog
• ItemEvents.modification changes rarity on 1.20.1 (Forge and NeoForge), bump those builds to 2026.11.29