Below is a summary and list of OptiFine’s known broken features.
This is a list of features in OptiFine that do not currently work.
Entity parameter move_forward
Entity parameter move_strafing
All blurs (
This is a list of more essential errors in OptiFine.
Fast Math may cause slight inaccuracies (#5578)
TrueType/OpenType font characters render as blocks with shaders (#6109)