Prism metadata for Minecraft 1.7.10 with lwjgl3ify and Minecraft 1.12.2 with Cleanroom.
-
Set Settings -> APIs -> Services -> Metadata Server to:
https://fentanylsolutions.github.io/multi3ify/v1/Or more memorable:
https://meta.fentanylsolutions.org -
Create one of these profiles, leaving Mod Loader -> None:
Profile Installed automatically Add to modsyourself1.7.10-lwjgl3ifyMatching Forge, lwjgl3ify runtime and mod UniMixins combined jar (0.1.23+) 1.12.2-cleanroomCleanroom loader and its runtime libraries Fugue and Scalar Legacy for conventional Forge packs -
Enable automatic Java selection/download, clear any forced Java 8 override, and launch.
Select Edit Instance -> Version -> Minecraft -> Change version, then choose
1.7.10-lwjgl3ify for a 1.7.10 instance or 1.12.2-cleanroom for a 1.12.2 instance.
Changing Minecraft removes the old LWJGL 2 dependency; changing only Forge leaves it installed.
Revert any old local Minecraft/Forge, LWJGL, lwjgl3ify or Cleanroom component patches first.
Worlds, mods, and configuration stay in place.
For Cleanroom, review the upstream modpack migration guide
for pack-specific compatibility changes.
After creating the instance: Edit Instance -> Version -> lwjgl3ify / Cleanroom -> Change version.
latestfollows stable lwjgl3ify releases or published Cleanroom releases (including alpha releases), checked every six hours.- Numbered versions stay pinned. Switching also supports downgrades.
The next launch uses your selection. Restart the launcher if its version list is stale. When downgrading Cleanroom, you may also need an older Fugue version.
Fork, enable Actions, set Settings -> Pages -> Source -> GitHub Actions, then run
Update and publish metadata. Use your Pages URL ending in /v1/.
Optional repository Actions variables:
| Variable | Default |
|---|---|
PRISM_META_REPOSITORY |
PrismLauncher/meta-launcher |
PRISM_META_REF |
Upstream default branch |
LWJGL3IFY_MIN_VERSION |
3.0.0 |
CLEANROOM_MIN_VERSION |
0.6.13-alpha |