FPS/Performance/QoL | Butterium icon

FPS/Performance/QoL | Butterium

Fabric modpack for Minecraft 1.21.11 by BUTR Studios

FPS/Performance/QoL | Butterium runs on Minecraft 1.21.11 with Fabric. It has 41 mods, needs about 4 GB of RAM (our estimate) and runs on both client and server. The latest version is 1.0.2, released Jan 26, 2026.

Minecraft version
1.21.11
Mod loader
Fabric
Mods
41
RAM to allocate
4 GB (estimate)
Runs on
Client, server optional
Latest version
1.0.2 ()
Downloads
31K (#512)
First released
Pack file size
134.6 MB
License
Smooth Like BUTR Licence SLBLv1

What is FPS/Performance/QoL | Butterium?

FPS/Performance/QoL | Butterium is a Fabric modpack for Minecraft 1.21.11, published by BUTR Studios on Modrinth since 2023.

The latest release, 1.0.2 from Jan 26, 2026, declares 41 mods plus 2 other projects such as resource packs or shaders. Across 8 published versions it has covered Minecraft 1.20.1 through 1.21.11.

With 31K downloads it ranks #512 of the 518 most-downloaded Modrinth modpacks we track, and its authors tag it as combat, lightweight and optimization.

Most widely used mods in FPS/Performance/QoL | Butterium

The latest version declares 43 projects, 41 of them mods. The ones below appear in the most packs we track.

  • 18 run on client and server
  • 22 client only
  • 1 server only

Full FPS/Performance/QoL | Butterium mod list

How its mod list compares

Less common picks: 7 mods found in five or fewer tracked packs.

Packs with the most mods in common

What kinds of mods are in FPS/Performance/QoL | Butterium?

Of its 41 mods, 24 are tagged utility, 16 optimization and 9 library. Mods can carry several tags, so the counts overlap.

At 10% management, that is a larger share than 91% of the 491 packs we track.

  • utility: 24 (59%)
  • optimization: 16 (39%)
  • library: 9 (22%)
  • management: 4 (10%)
  • social: 3 (7%)
  • adventure: 1 (2%)

How big is FPS/Performance/QoL | Butterium?

With 41 mods, FPS/Performance/QoL | Butterium has fewer mods than 58% of the 491 packs we track and more mods than 57% of the 35 on Minecraft 1.21.11.

The pack file is 134.6 MB. 22 mods are client-only and 18 also run on a server. Alongside the mods it declares 2 shaders.

How actively is FPS/Performance/QoL | Butterium updated?

FPS/Performance/QoL | Butterium was first published on Oct 8, 2023, and has 8 published versions in total.

The latest release, 1.0.2, is dated Jan 26, 2026, 289 days before our data was fetched on Nov 11, 2026. Releases have covered 4 Minecraft versions over 2.3 years.

Staple mods FPS/Performance/QoL | Butterium includes and leaves out

Across the 325 Fabric packs we track, 15 mods turn up most often. FPS/Performance/QoL | Butterium includes 13 of them; it leaves out Sodium Extra and Architectury API.

How much RAM does FPS/Performance/QoL | Butterium need?

FPS/Performance/QoL | Butterium needs 4 GB allocated (2 GB minimum). Our estimate from the 41-mod list, not measured.

How to set allocated memory

How to install FPS/Performance/QoL | Butterium

Search for "FPS/Performance/QoL | Butterium" in the Modrinth source of your launcher. Pick version 1.0.2 for Minecraft 1.21.11 (Fabric). Modpack install guide.

How do I make a FPS/Performance/QoL | Butterium server?

FPS/Performance/QoL | Butterium is marked as supporting a server-side install, so the server must run the same mods and version as the players.

  • Match the version: the latest pack version is 1.0.2 for Minecraft 1.21.11.
  • Loader: Fabric.
  • Memory: at least 2 GB (our estimate).

Modpack server guide.

Versions

Newest build for each of 4 Minecraft version and loader pairs.

MinecraftLoaderPack versionReleased
1.21.11Fabric1.0.2
1.21.10Fabric1.0.2
1.21.8Fabric0.3 (beta)
1.20.1Fabric0.0.1 (alpha)