About Memory Leak Fix
From ModrinthA mod that fixes random memory leaks for both the client and server
Memory Leak Fix
A mod that fixes multiple memory leaks in Minecraft. Both server-side & client-side
For the best performance & memory usage, I recommend using this mod with:
- lithium-fabric - The best general performance mod
- FerriteCore - Memory usage optimizations
My other optimizations/fixes
- MoreCulling - Changes how blockstate culling is handled to improve performance
- Carpet-Fixes - Largest Server-Side bug fixing mod
- Blanket - Client-side tweaks/fixes
- RailOptimization - Make powered rails less laggy
Minecraft 1.20.5+
All the memory leaks in minecraft previously fixed by MemoryLeakFix have been fixed. Making this mod obsolete in future versions of the game.
More Info
Feel free to contribute to the project! I'm also fine if you use this mod in your modpacks, just make sure to mention it.
However I don't allow clients or other projects to merge this mod without permission, if you would like to use this mod in your client or another project please contact me.
Highlights
From source dataGame versions
Supports 57 Minecraft versions, the newest being 1.20.4.
Loaders
Runs on Fabric, Forge and Quilt.
Footprint
Rated a light load on a server.
Memory Leak Fix on Nxeon
From our catalogue- One-click install
- Supported on Nxeon Minecraft servers. We download it from Modrinth, place it, and restart the server.
- Server side
- Optional on the server
- Server type needed
- Fabric, Forge, Quilt
- Server load
- light
- Smallest plan we suggest
- Minecraft — 2 GB (2 GB RAM). This follows our own load rating above, not a benchmark.
- Latest build
- v1.1.5, released 2024-01-06
Game versions by loader
| Loader | Game versions | Newest |
|---|---|---|
| Fabric | 1.14.4 to 1.20.4 (25 versions) | 1.20.4 |
| Quilt | 1.14.4 to 1.20.4 (25 versions) | 1.20.4 |
| Forge | 1.15.2 to 1.20.4 (22 versions) | 1.20.4 |
From 5 recorded builds of Memory Leak Fix.
Recent builds
| Build | Released | Game versions | Loaders |
|---|---|---|---|
| v1.1.5 | 2024-01-06 | 1.17 to 1.20.4 (15 versions) | Forge |
| v1.1.5 | 2024-01-06 | 1.14.4 to 1.16.5 (10 versions) | Fabric, Quilt |
| v1.1.5 | 2024-01-06 | 1.15.2 to 1.16.5 (7 versions) | Forge |
| v1.1.5 | 2024-01-06 | 1.17 to 1.20.4 (15 versions) | Fabric, Quilt |
| v1.1.4 | 2024-01-06 | 1.14.4 to 1.16.5 (10 versions) | Fabric, Quilt |
Run Memory Leak Fix on a Minecraft server
Pick a server or deploy a new one above; it is installed in one click.
What kind of mod it is
From the catalogGameplay & overhauls
New mechanics, content and overhauls that change how the game plays.
Works on a server
From source side supportModrinth lists server-side support for Memory Leak Fix as optional: it can run on a server, but isn’t required there.
Compatibility
- Game
- Minecraft
- Loaders
- FabricForgeQuilt
- Runs on
- Serveroptional on the server
- Game versions
- 1.20.4 and 56 earlier
Verified at the source
- ✓ModrinthOfficial listing, checked 2026-10-01Open ↗
- ✓AuthorFX, as published on Modrinth
- ✓LicenseLGPL-2.1-onlyFree
