Steam 'n' Rails for Fabric, Minecraft 26.2, and Create Fly
Fabric fork of the Armor Chroma mod, adds different icons in the armor bar depending on the material and can display glint for enchanted items.
Deeper physics for Create trains: gravity, rolling resistance, fuel use, mass, tractive effort, curve-safe speeds, and multi-engine power.
Client-side mod that prevents rain and snow from rendering inside moving Create contraptions.