Minecraft 1.21 — Compatibility Matrix
Full compatibility data for Minecraft 1.21. This page lists which clients support 1.21, which cheat modules work, loader requirements, and known limitations. Reviewed weekly.
Quick summary
Minecraft 1.21 is widely supported. Every actively maintained client in our database has a 1.21 build. Fabric and Forge loaders are available. All 32 tracked cheat modules work with version-appropriate settings.
Client compatibility
| Client | Status | Loader | Notes |
|---|---|---|---|
| Wurst | Yes | Fabric | Stable |
| Meteor | Yes | Fabric | Stable |
| LiquidBounce | Yes | Fabric | Stable |
| Aristois | Yes | Standalone | Stable |
| Future | Yes | Runtime | Stable |
| Raven | Yes | Forge / Fabric | Stable |
Cheat module compatibility
| Module | Category | Works on 1.21 |
|---|---|---|
| KillAura | Combat | Yes |
| AimBot | Combat | Yes |
| Reach | Combat | Yes |
| Fly | Movement | Yes |
| Speed | Movement | Yes |
| X-Ray | Visual | Yes |
| ESP | Visual | Yes |
| Nuker | World | Yes |
See the full list of 32 modules in the cheat database.
Known limitations
- Trial chamber terrain complicates X-Ray — ores hidden behind trial chamber walls are not visible.
- Mace combat adds new attack patterns. KillAura rotation smoothing may differ slightly against mace users.
- Some older Fabric utility mods may not yet support 1.21.