ItsCre3per

**Issue:** Position keyframes render incorrectly with any Iris shaders and make the entire game (not including the HUD) black, until looking away from the keyframe. Disabling shaders fixes this issue....

**Describe the bug** When using the new /tick command in MC 1.21 (NOT the Carpet Mod /tick) to slow down the game significantly (usually to ~5 ticks or lower), the...