File Details
Pack Core 4.1.0 for 1.21.11
- R
- Mar 20, 2026
- 74.15 MB
- 6
- 1.21.11
- Fabric
File Name
packcore-4.1.0+1.21.11.jar
Supported Versions
- 1.21.11
Curse Maven Snippet
Changelog
v4.1.0
Modern UI Integration
- New wizard page for configuring Modern UI features
- Toggle Custom Font (Inter) — disabling reverts to the vanilla Minecraft font and requires a restart
- Toggle Fancy Tooltips — rounded, styled tooltips with rarity-adaptive border colors
- Toggle Startup Ding — sound effect played when the game finishes loading
- Font values are backed up before clearing, and restored if the custom font is re-enabled
- Confirm page now shows a restart warning when the font toggle differs from the current live state
- Custom Font row in the summary is annotated with "(restart required)"
- New
/packcore modernuicommand with subcommands:font vanilla,font custom,tooltip on/off,ding on/off
Diagnostics
- Full diagnostics report logged on every startup (modpack info, config pack, settings, runtime, system)
- Crash reports now include a PackCore Diagnostics section with the same data as the startup log
- New
/packcore diagnosecommand — shows a compact report in chat with a click-to-copy button for easy sharing when reporting issues - New
/packcore crashtestcommand — triggers a test crash to verify the crash report enrichment is working
Storage Design
- Replaced the world-join command approach for toggling the Firmament storage overlay with direct reflection — the setting is now applied instantly without requiring a world join
Tab Design
- SkyHanni compact tab list toggle now applied instantly via reflection instead of a delayed chat command on world join

