Fabric
89.7%
of the top 300 Fabric mods have a release for 1.21.1.
- Ready 269
- Pre-release only 19
- Other loader only 6
- Not updated yet 6
Minecraft 1.21.1: mod availability
Which of the most-downloaded mods on Modrinth have a build for Minecraft 1.21.1, by loader. Updated daily from published metadata.
NeoForge
90.3%
of the top 300 NeoForge mods have a release for 1.21.1.
- Ready 271
- Pre-release only 17
- Other loader only 5
- Not updated yet 7
Popular mods without a 1.21.1 build
The most-downloaded mods with no 1.21.1 build, usually because they started on a newer version.
| Mod | Downloads | Fabric | NeoForge | Alternative |
|---|---|---|---|---|
| Memory Leak Fix | 38M | No build | No build | — |
| Oculus | 38M | No build | No build | See alternatives → |
| Starlight (Fabric) | 16M | No build | No build | — |
| Alex's Mobs | 16M | No build | No build | — |
| LazyDFU | 15M | No build | No build | — |
| Fastload | 15M | No build | No build | — |
| Create: Steam 'n' Rails | 13M | No build | No build | — |
| Spartan Weaponry | 13M | No build | No build | — |
| Forge Config Screens | 13M | No build | No build | — |
| Alex's Caves | 11M | No build | No build | — |
| ModernFix-mVUS | 11M | No build | No build | — |
| Spartan Shields | 10M | No build | No build | — |
Recently updated
Mods that got their first 1.21.1 build in the last 7 days.
- Better Statistics ScreenNeoForge · Oct 14, 2026
- TCDCommons APINeoForge · Oct 14, 2026
Snapshot of Oct 15, 2026. Percentages count only the top 300 mods per loader by downloads, so they stay comparable from day to day.
Check your pack against 1.21.1
The ecosystem is one thing, your pack is another. Check every mod you actually use.