Fabulously Optimized
HomepageWikiModrinthCurseForgeContribute
  • About
    • Terms
    • Accessibility
    • Versioning
    • Contribute
      • Translate
      • Fork
      • More
    • OptiFine
    • Fabric
    • Servers
    • Unsupported
  • Content
    • Mods
    • Options
    • Resource Packs
    • Bug Fixes
    • Keybinds
    • Telemetry
  • How to...
    • Install
      • Modrinth App
      • CurseForge App
      • Prism Launcher
      • Minecraft Launcher
      • MultiMC
      • Steam Deck
    • Update
      • Modrinth App
      • CurseForge App
      • Prism Launcher
      • Minecraft Launcher
      • MultiMC
    • Add Mods
      • Modrinth App
      • CurseForge App
      • Prism Launcher
      • Minecraft Launcher
      • MultiMC
    • Disable Mods
      • Modrinth App
      • CurseForge App
      • Prism Launcher
      • Minecraft Launcher
      • MultiMC
    • Backup
      • Modrinth App
      • CurseForge App
      • Prism Launcher
      • Minecraft Launcher
      • MultiMC
    • Reset
      • Modrinth App
      • CurseForge App
      • Prism Launcher
      • Minecraft Launcher
      • MultiMC
    • Uninstall
      • Modrinth App
      • CurseForge App
      • Prism Launcher
      • Minecraft Launcher
      • MultiMC
Powered by GitBook
On this page
Edit on GitHub
  1. Content

Bug Fixes

Last updated 13 days ago

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

Bug
Description
Fixed by

Mouse buttons block all inventory controls that are not default

Ctrl + Q won't work on Mac

Cannot break blocks while sprinting (Ctrl+Click = right-click on macOS)

Gaps between the faces of item models

Redstone dust updates cause lag (Singleplayer only)

Pistons forget update when being reloaded

"Received unknown passenger" - Entities with differing render distances as passengers outputs error

Beacon beam and structure block render twice per frame

Server → Client custom payload packets can leak resources

Linux/GNU: Opening chat sometimes writes 't'

Ticking animated textures is very inefficient

Hunger and experience bar invisible on horses and all other animal mounts

Guardian beam does not render when over a certain "Time" in level.dat

Certain entity animations stop after they've existed in world for too long

Memory leakage problem in native operations

Smooth lighting doesn't work properly on the water surface

Entity collision is run on render thread

Telemetry cannot be disabled

Fullscreen state isn't saved

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 .

Find the bug on

Request it or find its status on

If you're sure the bug fix is in Debugify,

FO's principles
Mojang's bug tracker
Debugify's bug tracker
request an option change
request a bug fix
MC-577
Debugify
MC-22882
Debugify
MC-59810
Debugify
MC-73186
Item Model Fix
MC-81098
Lithium
MC-89146
Debugify
MC-90683
Debugify
MC-112730
Debugify
MC-121884
MemoryLeakFix
MC-122477
Debugify
MC-132488
Sodium
MC-154966
Better Mount Hud
MC-165595
Sodium Extra
MC-199467
Debugify
MC-226729
MemoryLeakFix
MC-227302
Sodium
MC-228976
Lithium
MC-237493
Debugify
MC-237493
Debugify