Bug Fixes

FO includes some mods which fix vanilla bugs. If there's another bug you think FO can fix, you should request a bug fix.

Bug	Description	Fixed by
MC-577	Mouse buttons block all inventory controls that are not default	Debugify
MC-22882	Ctrl + Q won't work on Mac	Debugify
MC-59810	Cannot break blocks while sprinting (Ctrl+Click = right-click on macOS)	Debugify
MC-73186	Gaps between the faces of item models	Item Model Fix
MC-81098	Redstone dust updates cause lag (Singleplayer only)	Lithium
MC-89146	Pistons forget update when being reloaded	Debugify
MC-90683	"Received unknown passenger" - Entities with differing render distances as passengers outputs error	Debugify
MC-112730	Beacon beam and structure block render twice per frame	Debugify
MC-121884	Server → Client custom payload packets can leak resources	MemoryLeakFix
MC-122477	Linux/GNU: Opening chat sometimes writes 't'	Debugify
MC-132488	Ticking animated textures is very inefficient	Sodium
MC-154966	Hunger and experience bar invisible on horses and all other animal mounts	Better Mount Hud
MC-165595	Guardian beam does not render when over a certain "Time" in level.dat	Sodium Extra
MC-199467	Certain entity animations stop after they've existed in world for too long	Debugify
MC-226729	Memory leakage problem in native operations	MemoryLeakFix
MC-227302	Smooth lighting doesn't work properly on the water surface	Sodium
MC-228976	Entity collision is run on render thread	Lithium
MC-237493	Telemetry cannot be disabled	Debugify
MC-237493	Fullscreen state isn't saved	Debugify

Request a Bug Fix

FO will only fix a bug if it affects a large majority of its users (at least 70% of them). Read more in FO's principles.

1. Find the bug on Mojang's bug tracker

2. Request it or find its status on Debugify's bug tracker

3. If you're sure the bug fix is in Debugify, request an option change