19.12.36+pre1.19 is a release file of the Minecraft mod Custom Item Merge for Fabric, made for Minecraft 1.17.1, 1.18.1, 1.17, 1.18.2, 1.17-Snapshot, 1.18, 1.18-Snapshot. It was published on April 30, 2025 and is 0 MB in size. For the full description, screenshots and every other version, visit the Custom Item Merge mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.