BugJump Mod (1.20.1, 1.19.2) – Fabric Bug-Fix & Stability Mod
BugJump Mod fixes any Minecraft Bug for Fabric. If you install too many Fabric mods, the game may crash and run into various random issues. This mod will…
⬇ DownloadOpen in MCModsHubGet it on Google Play →BugJump Mod fixes any Minecraft Bug for Fabric. If you install too many Fabric mods, the game may crash and run into various random issues. This mod will patch many underlying bugs, making the game more stable.
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Features:
- Modify the loading screen Heavily based on and inspired by Quilt Loading Screen
- This feature is turned off by default and can be turned on through
config/bugjump.json
- This feature is turned off by default and can be turned on through
Fixed a crash caused by multiple rendering threads calling fastutil at the same time when too many client modules were installed
For example
java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 513
at it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap.rehash(Int2ObjectOpenHashMap.java:1334)
at it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap.insert(Int2ObjectOpenHashMap.java:279)
at it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap.computeIfAbsent(Int2ObjectOpenHashMap.java:500)
at net.minecraft.class_377.method_2011(class_377.java:137)
at net.minecraft.class_327.method_27516(class_327.java:57)
at net.minecraft.class_5225.method_27496(class_5225.java:41)
at net.minecraft.class_5223.method_27477(class_5223.java:17)
at net.minecraft.class_5223.method_27473(class_5223.java:120)
at net.minecraft.class_5223.method_27472(class_5223.java:84)
at net.minecraft.class_5223.method_27479(class_5223.java:80)
at net.minecraft.class_5225.method_27482(class_5225.java:40)
at net.minecraft.class_327.method_1727(class_327.java:364)
at net.minecraft.class_329.method_1754(class_329.java:651)
at net.minecraft.class_329.method_1753(class_329.java:238)
at net.minecraft.class_757.method_3192(class_757.java:862)
at net.minecraft.class_310.method_1523(class_310.java:1177)
at net.minecraft.class_310.method_1514(class_310.java:768)
at net.minecraft.client.main.Main.method_44604(Main.java:244)
at net.minecraft.client.main.Main.main(Main.java:51)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:461)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:577)
at oolloo.jlw.Wrapper.invokeMain(Wrapper.java:58)
at oolloo.jlw.Wrapper.main(Wrapper.java:51)
Screenshots:









Requires:
Fabric Modloader
Fabric API
BugJump Mod Download Links
For Minecraft 1.20.1, 1.20
Fabric version: Download from Server 1 – Download from Server 2
For Minecraft 1.19.3, 1.19.2, 1.19.1
Fabric version: Download from Server 1 – Download from Server 2
For Minecraft 1.18.2, 1.18.1
Fabric version: Download from Server 1 – Download from Server 2
- Download size: 34 KB
- Download link checked 13 Jul 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.