Basic information:
grass, vines, lily pad, dark oak leaves, fern, grass, large fern, tall grass no biome colour
Redstone wire turned to white
oak leaves only have mountain biome colour
Hardware: Intel Core i5 4210m, Intel HD graphics 4600
Minecraft 1.16.2 fabric 0.11.3
Optifabric-1.12.6 + Optifine 1.16.2 HD U G5
Others:
shader is turned on in the screenshot, this bug still happened when shader is turned off