Minecraft 1.21.5 — Compatibility Matrix
Minecraft 1.21.5, the "Spring to Life" drop, changed decorative blocks, mob variants, and world generation. This page documents client support, cheat module compatibility, and version-specific notes.
Quick summary
1.21.5 has strong client support from actively maintained clients. Fabric and Forge loaders are available. Some older clients have not yet updated for 1.21.5. Check the compatibility table below for exact status.
Client compatibility
| Client | Status | Loader | Notes |
|---|---|---|---|
| Wurst | Yes | Fabric | Stable |
| Meteor | Yes | Fabric | Stable |
| LiquidBounce | Yes | Fabric | Stable |
| Aristois | Yes | Standalone | Stable |
| Future | Partial | Runtime | Not officially listed |
| Inertia | Yes | Fabric | Stable |
| Raven | Partial | Forge / Fabric | Not officially listed |
Cheat module compatibility
All 32 tracked cheat modules work on 1.21.5. See the full cheat database. Notable notes:
- Rendering modules (ESP, Chams, Tracers) handle the new mob variants introduced in 1.21.5.
- X-Ray is unaffected — block data is identical to 1.21.1 for ores.
- World modules work with new decorative blocks without changes.
Loader availability
- Fabric Loader — stable for 1.21.5.
- Forge — available, less common among client builds.
- NeoForge — available.
Known limitations
- Client builds for 1.21.5 were published later than 1.21.1 builds, so community-tested configurations are fewer.
- Some older module implementations may need minor updates to handle new entity types introduced in 1.21.5.
- Server anti-cheat behavior is unchanged — detection is based on behavior, not version.