Quality of Life (QoL) Fixes
Java mod listed for Minecraft 1.18–1.20. Downloads from the MC Java Mods app on Android.
I don't know my version or loader
Description
Contains various Quality of Life changes for the Fabric loader. Check out the Features section below for a list of changes this mod makes (all configurable). Also fixes some various bugs
Features
- Removes the "... moved too quickly! ..." error message when the server thinks the player is traveling too fast
- Removes auto teleporting players back when they are moving too fast to the server
- Removes the above for Vehicles as well
- Makes the AbstractCriterion progressions use thread safe sets. Fixes issues like https://github.com/Draylar/inmis/issues/117
- Makes various things NPE safe like ShulkerEntity getHeightOffset. Prevents issues like https://github.com/Sollace/Presence-Footsteps/issues/135
- Increases max stack size of various items to 64 (toggleable) such as for Saddle, Bucket, Milk Bucket, Entity Buckets, Powdered Snow Buckets, Snowball, Boats, Ender Pearls, Eggs, Enchanted Books, Honey Bottles, Potions, Music Discs, Horse Armor, Stews
- Fixes ConcurrentModificationException with StructureTemplate.PalettedBlockInfoList:
Caused byjava.util.ConcurrentModificationException
at java.util.HashMap.computeIfAbsent(HashMap.java:1221) ~[?:?]
at net.minecraft.structure.StructureTemplate$PalettedBlockInfoList.getAllOf(StructureTemplate:773) ~[?:?]
at net.minecraft.structure.StructureTemplate.getInfosForBlock(StructureTemplate:184) ~[?:?]
at net.minecraft.structure.pool.SinglePoolElement.getStructureBlockInfos(SinglePoolElement:111) ~[?:?]
- Fixes Bad Sound Packets from kicking client off the server:
[21.11 14:17:52] [Server] [Netty Epoll Server IO #2/ERROR]: Error receiving packet 96 [21.11 14:17:52] [Server] java.lang.IllegalArgumentExceptionCan't find id for 'net.minecraft.class_3414@164a3a7a' in map Registry[ResourceKey[minecraft:root / minecraft:sound_event] (Experimental)] [21.11 14:17:52] [Server] at Not Enough Crashes deobfuscated stack trace.(1.19.2+build.28) ~[?:?] [21.11 14:17:52] [Server] at net.minecraft.network.PacketByteBuf.writeRegistryValue(PacketByteBuf:147) ~[?:?] [21.11 14:17:52] [Server] at net.minecraft.network.packet.s2c.play.PlaySoundS2CPacket.write(PlaySoundS2CPacket:47) ~[?:?] [21.11 14:17:52] [Server] at net.minecraft.network.PacketEncoder.encode(PacketEncoder:45) ~[?:?] [21.11 14:17:52] [Server] at net.minecraft.network.PacketEncoder.encode(PacketEncoder:14) ~[?:?] [21.11 14:17:52] [Server] at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:107) [netty-codec-4.1.77.Final.jar:?] [21.11 14:17:52] [Server] at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:717) [netty-transport-4.1.77.Final.jar:?] [21.11 14:17:52] [Server] at io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:764) [netty-transport-4.1.77.Final.jar:?] [21.11 14:17:52] [Server] at io.netty.channel.AbstractChannelHandlerContext$WriteTask.run(AbstractChannelHandlerContext.java:1071) [netty-transport-4.1.77.Final.jar:?] [21.11 14:17:52] [Server] at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174) [netty-common-4.1.77.Final.jar:?] [21.11 14:17:52] [Server] at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167) [netty-common-4.1.77.Final.jar:?] [21.11 14:17:52] [Server] at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470) [netty-common-4.1.77.Final.jar:?] [21.11 14:17:52] [Server] at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:391) [netty-transport-classes-epoll-4.1.77.Final.jar:?] [21.11 14:17:52] [Server] at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:995) [netty-common-4.1.77.Final.jar:?] [21.11 14:17:52] [Server] at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) [netty-common-4.1.77.Final.jar:?] [21.11 14:17:52] [Server] at java.lang.Thread.run(Thread.java:833) [?:?] [21.11 14:17:52] [Server] [Netty Epoll Server IO #2/ERROR]: [QoLFixes] Failed to register SoundEvent Packet with ID platypus:platypus_ambient [21.11 14:17:52] [Server] [Netty Epoll Server IO #2/WARN]: [QoLFixes] Skipping write error for the bad Sound packet
Config
You can toggle all the features in the config file at config/qolfixes.json5. You can also check out the config documentation at https://github.com/spoorn/QoLFixes/blob/main/config-documentation.json5 for more details
Dependencies
This mod requires:

If you like what you see, check out my other mods! : https://www.curseforge.com/members/spoorn/projects
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.20.1, 1.20, 1.19.3
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as qolfixes-3.0-1.20.1.jar — drop this file into the mods folder
- Download size: 292 KB
- Download link checked 24 Sept 2026 — working
These come from our own check of the pack file, not from the source page.