OptiFine 1.8.0_HD_U_F8
 - integrated support for shaders, based on the ShadersMod by Karyonix
 - the shader rendering features are fully disabled when no shader is active, no FPS penalty 
 - the shaders are not compatible with classic Antialiasing, Anisotropic Filtering and Fast Render 
 - added post-processing antialasing shader, based on modified FXAA
 - fixed handheld item rendering artifacts when classic antialiasing is enabled
 - added FXAA 4x
 - fixed connected textures to check for server resource pack
 - fixed rendering of custom unicode fonts
 - unicode character widths are reloaded with the resource pack
 - optimized remote resource loading with http pipelining
 - fixed compass and clock animations when AA/AF is enabled
 - compatible with Forge #1563
 (04.11.2015)

OptiFine 1.8.0_HD_U_D5
 - enabled Forge loading screen
 - compatible with Forge #1486
 (02.07.2015)

OptiFine 1.8.0_HD_U_D4
 - updated Forge compatibility
 - compatible with Forge #1486
 (30.06.2015)

OptiFine 1.8.0_HD_U_D3
 - merged features from 1.8.3_HD_U_B2
 - updated Natural Textures to 1.8
 - added notification for 32-bit Java running on 64-bit OS
 - added option Vignette: Fast = FPS + 10%
 - extended option Fast Render with new optimizations: ON = FPS + 10%
 - optimized AA/AF rendering
 - fixed OpenGL errors with AA/AF enabled
 - fixed border of animated textures with AA/AF enabled
 - fixed window not resizable with AA enabled
 - fixed mipmap handling, especially for HD resource packs
 - enabled option Smooth FPS
 - added option Show FPS - displays compact rendering information
 - removed obsolete options Load Far and Preloaded Chunks
 - updated Connected Textures - added parsing of block states (stone:variant=granite)
 - fixed Animated Textures to load textures only when enabled
 - fixed Lagometer and Vignette not working with forge
 - compatible with Forge #1371
 (21.04.2015)

OptiFine 1.8.0_HD_U_D2
 - fixed block lag on dual-core CPUs
 - compatible with Forge #1309
 (27.03.2015)

OptiFine 1.8.0_HD_U_D1
 - updated Forge compatibility
 - compatible with Forge #1309
 (12.02.2015)

OptiFine 1.8.0_HD_U_C7
 - fixed black outlines on transparent objects when AA/AF is active
 - compatible with Forge #1281
 (30.01.2015)

OptiFine 1.8.0_HD_U_C6
 - optimized performance
 - reduced lag spikes
 - fixed flickering leaf textures
 - fixed animals freezing in LAN world
 - compatible with Forge #1281
 (23.01.2015)

OptiFine 1.8.0_HD_U_C2 
 - added Anisotropic Filtering and Antialiasing
 - fixed connected sugarcane, glass panes, rails, 
 - fixed dripping water/lava
 - updated Forge compatibility
 - compatible with Forge #1281
 (16.01.2015)
 
OptiFine 1.8.0_HD_U_B6
 - fixed cloud flickering
 - fixed hand rendering above clouds
 - added option Firework Particles
 - fixed Forge entity rendering
 - installer creates inherited profile so realms libraries can be updated
 - compatible with Forge #1281
 (08.01.2015)
 
OptiFine 1.8.0_HD_U_B5
 - updated Forge compatibility
 - compatible with Forge #1281
 (30.12.2014)

OptiFine 1.8.0_HD_U_B4
 - various bugfixes
 - AA and AF not active
 - compatible with FML #1016
 (19.12.2014)

OptiFine 1.8.0_HD_U_B2
 - AA and AF not active
 - removed option Chunk Loading
 - compatible with FML #1016)
 (21.11.2014)