OptiFine 1.15.2_HD_U_G1

 - not working: antialiasing, anisotropic filtering and render regions

 - fixed shaders to render world border with program textured_lit (#3979)

 - fixed shaders rendering of hurt mobs and flashing creepers (#3598)

 - fixed CIT relative texture paths (#4046)

 - fixed alpha for CUTOUT rendering (#4120)

 - fixed custom player models

 - optimized underwater particles

 - fixed block selection with chunk borders visible (#4119)

 - fixed lag spikes when breaking blocks near water (#3912)

 - fixed emissive textures for rails and brewing stand (#4094)

 - fixed CEM animations (#4093)

 - fixed emissive crash with enchanted trident (#4092)

 - fixed emissive textures (#3437)

 - fixed shaders programs and extended attributes for block breaking animation (#3600) 

 - fixed shaders entity and block entity programs 

 - fixed shaders block selection, hitboxes and chunk borders (#3601, #3818)

 - fixed shaders block breaking texture (#3880)

 - fixed shaders option separateAO (#4047)

 - fixed rescaling of shaders normal/specular textures (#3761)

 - fixed void rendering with shaders (#3673)

 - fixed shaders light shining in caves (#3593)

 - fixed shaders rendering of invisible glowing entities (#3996)

 - fixed cape stuttering when flying around (#3384)

 - fixed player shadow with shaders in spectator mode (#4022)

 - fixed CEM bed model (#4035)

 - fixed Random Entities with CEM (#4025)

 - fixed CEM animation parameters pos_y, pos_z (#4033)

 - fixed CIT handheld items and armor (#3276, #3318)

 - fixed CEM custom texture (#4010)

 - added CEM donkey and mule chest models 

 - fixed CEM model textures

 - added CEM for head_creeper, head_wither_skeleton and head_zombie

 - fixed resetting CEM for heads when changing resource pack

 - fixed CEM for banner, bed, chests, ender crystal, ghast, illagers, phantom, dragon 

 - fixed CEM for sheep, wolf, dolphin, salmon, puffer fish, tropical fish, boat  

 - fixed CEM for skeleton horse and zombie horse (#3965) 

 - fixed rain rendering over blocks when picking items (#3956)

 - fixed shaders rendering of banners, spider eyes and enchantment glint 

 - fixed shaders depthtex2 (#3646)

 - fixed profiler smoothing

 - fixed dark GUI items when running with Forge (#3830)

 - fixed resizing of texture atlas sprites

 - fixed loading of custom normal/specular textures

 - fixed smart animations

 - added support for shaders

 - added shortcut key for shader options "F3+O"

 - fixed Dynamic Lights with Smooth Lighting ON

 - fixed custom sky and fog colormaps

 - fixed Dynamic Lights not illuminating player

 - fixed Dynamic Lights with Smooth Lighting OFF

 - fixed connected glass panes

 - fixed CTM overlays

 - fixed Smart Animations for GUI overlay

 - fixed custom lightmap affecting the GUI

 - fixed disabled fog to affect all entities and block entities

 - fixed option sliders registering outside clicks

 - fixed CEM for baby horse and llama

 - fixed chunks not loading due to configured shaders

 - fixed Random Entities depending on view distance

 - fixed Custom Sky

 - fixed fog in the Nether 

 - fixed Smart Animations for entities on fire 

 - fixed option Graphics depending on Dropped Items

 - fixed Natural Textures and Better Snow

 - fixed visual artifacts when manually placing blocks

 - fixed buttons in Chat Settings screen

 - fixed render distance above 32

 - fixed lighting of magma blocks

 - fixed handheld item flicker with dynamic lights

 - fixed dynamic lights for block entities and particles

 - updated to 1.15.2

 - compatible with Forge 31.2.21