ultracraft rendering crash fix
by loti8872
Ultracraft Rendering Crash Fix is a Forge patch for a connector rendering crash that appears when another mod runs alongside a shader loader.
What it does
The mod addresses a crash in connector rendering that shows up in some combinations of mods. It is a Forge-only build for Minecraft 1.20.1, released on 2026-06-09 under a custom license, and it is not open source. Its source code is publicly available. Client and server both need the mod, so it must be installed on each side of a multiplayer setup.
Key features
Connector rendering fix
Corrects a crash in connector rendering that occurs when the affected mods run together.
Mixin refmap patch
The fix is applied by editing the refmap mixins file, a targeted change to the mod's mixin mappings.
Forge build for 1.20.1
The current Forge file targets 1.20.1 only, version 1.20.1-2.2.2.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Questions
Does Ultracraft Rendering Crash Fix need to be installed on the server?
In the catalog
ultracraft rendering crash fix is one of 8,016 Management mods on ModsFinder, and one of 2,698 Management mods for Forge. 34,764 mods support Minecraft 1.20.1.
Similar mods
What the author says
this mod fixes a crash with connector that made ultracraft crash if you had installed both chloride and oculus upon entering the world
Official listing
- Modrinth page
- modrinth.com/mod/ultracraft-rendering-crash-fix
- Owner
- loti8872
- Published
- 2026-06-09
- Updated on Modrinth
- 2026-06-09
- Facts verified
- 2026-10-15