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MemoryLeakFixMinecraft mod for 1.19.4

A mod that fixes random memory leaks for both the client and server

newest supported release 1.19.4Utility QolServer Utility
Latest version
MemoryLeakFix 1.0.0 [fabric,1.14.4-1.16.5]
Minecraft
1.14.4 to 1.19.4
Java
Java 17+
Loaders
Forge, Fabric, Quilt
Licence
not stated
Downloads
20.9M
Updated
19 mo ago
Available on
CurseForge

Minecraft versions

Every version MemoryLeakFix declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.19.4Forge, Fabric, Quilt17+declared14 Mar 2023
1.19.3Fabric, Forge, Quilt17+declared7 Dec 2022
1.19.2Fabric, Forge, Quilt17+declared5 Aug 2022
1.19.1Fabric, Quilt, Forge17+declared27 Jul 2022
1.19Quilt, Forge, Fabric17+declared7 Jun 2022
1.18.2Quilt, Forge, Fabric17+declared28 Feb 2022
1.18.1Fabric, Forge, Quilt17+declared10 Dec 2021
1.18Quilt, Fabric, Forge17+declared30 Nov 2021
1.17.1Forge, Quilt, Fabric16+declared6 Jul 2021
1.17Fabric, Forge, Quilt16+declared8 Jun 2021
1.16.5Quilt, Fabric, Forge8+declared14 Jan 2021
1.16.4Fabric, Forge, Quilt8+declared29 Oct 2020
1.16.3Forge, Fabric, Quilt8+declared10 Sept 2020
1.16.2Quilt, Forge, Fabric8+declared11 Aug 2020
1.16.1Quilt, Forge, Fabric8+declared24 Jun 2020
1.16Quilt, Forge, Fabric8+declared23 Jun 2020
1.15.2Forge, Fabric, Quilt8+declared17 Jan 2020
1.15.1Forge, Quilt, Fabric8+declared16 Dec 2019
1.15Fabric, Quilt, Forge8+declared9 Dec 2019
1.14.4Fabric, Quilt, Forge8+declared19 Jul 2019

Download

From MemoryLeakFix’s own host. Nothing is re-hosted here.

Browse 31 indexed releases

For Minecraft 1.19.4

Choose the loader you use before downloading.

  • Forge

    MemoryLeakFix 1.0.0 [forge,1.17+] · 30 Mar 2023 · memoryleakfix-forge-1.17+-1.0.0.jar

    Get Forge

  • Fabric, Quilt

    MemoryLeakFix 1.0.0 [fabric,1.17+] · 30 Mar 2023

    Multiple loaders are listed; verify the file before downloading.

    Choose file on publisher ↗

Most recently published release

MemoryLeakFix 1.0.0 [fabric,1.14.4-1.16.5]release30 Mar 2023

memoryleakfix-fabric-pre1.17-1.0.0.jar · 0.1 MB · for 1.16.5, 1.16.4, 1.16.3, 1.16.2, 1.16.1 +5 more · Fabric, Quilt

Choose file on publisher ↗
ca4f577f03c7…
Older versions24
  • MemoryLeakFix 1.0.0 [forge,1.17+]30 Mar 20231.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19 +5 more0.1 MB4.6M downloads6965ee6da522…Get
  • MemoryLeakFix 1.0.0 [forge,1.15.2-1.16.5]30 Mar 20231.16.5, 1.16.4, 1.16.3, 1.16.2, 1.16.1 +2 more0.1 MB2.3M downloadsa18ea3b93112…Get
  • MemoryLeakFix 1.0.0 [fabric,1.17+]30 Mar 20231.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19 +5 more0.1 MB3.0M downloads899018ccd704…Choose file on publisher ↗
  • MemoryLeakFix - v0.8.0 for 1.18.28 Mar 20231.18.2, 1.18.1, 1.1847 KB79.1k downloads37c5cf3029ec…Get
  • MemoryLeakFix - v0.8.0 for 1.19.1 - 1.19.38 Mar 20231.19.3, 1.19.2, 1.19.133 KB416.1k downloads2c83e025d1d6…Choose file on publisher ↗
  • MemoryLeakFix - v0.8.0 for 1.198 Mar 20231.1933 KB1.5k downloadsd076187a7365…Choose file on publisher ↗
  • MemoryLeakFix - v0.7.0 for 1.19.38 Dec 20221.19.330 KB971.4k downloads9fae1093c64b…Get
  • MemoryLeakFix - v0.7.0 for 1.192 Aug 20221.1930 KB299.8k downloadscc153c887bc2…Choose file on publisher ↗
  • MemoryLeakFix - v0.7.0 for 1.18.21 Aug 20221.18.244 KB246.4k downloadsfa27ac9b26a7…Get
  • MemoryLeakFix - v0.7.0 for 1.19.x31 Jul 20221.19.2, 1.19.156 KB2.5M downloads9ef7b93df46b…Choose file on publisher ↗
  • MemoryLeakFix - v0.6.0 for 1.19.127 Jul 20221.19.128 KB8.4k downloads191efd5a5415…Get
  • MemoryLeakFix - v0.5.4 for 1.1920 Jul 20221.1942 KB147.7k downloads2776672be09a…Get
  • MemoryLeakFix - v0.5.4 for 1.18.220 Jul 20221.18.242 KB11.7k downloads96d9add8712f…Get
  • MemoryLeakFix - v0.5.3 for 1.1919 Jul 20221.1943 KB2.4k downloadsccc67616db3e…Get
  • MemoryLeakFix - v0.5.3 for 1.18.219 Jul 20221.18.242 KB1.1k downloadsf04e33cae72d…Get
  • MemoryLeakFix - v0.5.2 for 1.1919 Jul 20221.1941 KB16.0k downloadsdf5bc2e695c5…Get
  • MemoryLeakFix - v0.5.2 for 1.18.219 Jul 20221.18.241 KB342 downloads211a2b18a4e8…Get
  • MemoryLeakFix - v0.5.1 for 1.18.218 Jul 20221.18.240 KB805 downloads18cb65cfb796…Get
  • MemoryLeakFix - v0.5.1 for 1.1917 Jul 20221.1941 KB38.5k downloadsff219cbeb6b0…Choose file on publisher ↗
  • MemoryLeakFix - v0.5.016 Jul 20221.1941 KB1.3k downloads7520e6434fa5…Get
  • MemoryLeakFix - v0.4.111 Jun 20221.1939 KB211.0k downloads9197e408de2f…Choose file on publisher ↗
  • MemoryLeakFix - v0.4.08 Jun 20221.1939 KB15.7k downloads0bd52b9603ce…Get
  • MemoryLeakFix - v0.3.53 Jun 20221.18.2, 1.18.1, 1.1839 KB60.1k downloads2c1cf24ceb84…Get
  • MemoryLeakFix - v0.3.42 Jun 20221.18.2, 1.18.1, 1.1841 KB718 downloads4490ca33b54d…Get

Frequently asked

Does MemoryLeakFix work on Minecraft 1.19.4?

Yes. 1.19.4 is the newest Minecraft version MemoryLeakFix declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does MemoryLeakFix support?

Everything the author has declared, from 1.14.4 up to 1.19.4. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does MemoryLeakFix support?

Forge, Fabric, Quilt. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for MemoryLeakFix?

Among the supported Minecraft releases above, the highest recorded requirement is Java 17 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

How do I install MemoryLeakFix?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download MemoryLeakFix safely?

Start with the author's page on CurseForge, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Details from CurseForge, where the author last updated it on 12 Apr 2025. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .