OptiFine_1.21.1_HD_U_J1

 - updated CEM for wind_charge
 - fixed menu background blur when vignette is disabled (#7760)
 - optimized memory allocation
 - fixed pixelated glint with shaders (#7482)
 - fixed CEM crash with attachment paths
 - fixed Quick Info to check for reduced debug info (#7678)
 - fixed Quick Info render layer (#7673)
 - fixed block sides not rendering with AA/AF (#7756)
 - fixed dynamic lights for blocks models with ambientocclusion off (#6052)
 - fixed CIT hand rule to check main hand option (#7680)
 - fixed shaders attribute at_midBlock for CTM overlays (#7516)
 - fixed custom block layers (#7711, #7738)
 - fixed shaders at_velocity (#7701)
 - fixed entity culling with "generic.scale" (#7677)
 - fixed GUI options non responsive (#7675)
 - fixed shaders attribute "at_midBlock" (#7714)
 - fixed CIT armor textures (#7727)
 - fixed custom potion colors (#7743)
 - fixed CIT components check with wildcard "*" (#7746)
 - fixed CIT parsing of components shortcut "~" (#7750)
 - fixed biome colors (#7736, #7741)
 - fixed crash with shaders (missing camera orientation)
 - updated CIT to skip properties with invalid NBT checks (#7742)
 - fixed system information in debug screen (#7748)
 - fixed crash with null EntityRenderDispatcher camera
 - fixed Forge event backward compatibility
 - fixed BufferBuilder initialization (shaders crash)
 - updated to 1.21.1
 - compatible with Forge 52.0.16