OptiFine 1.8.1_HD_U_C7
 - fixed black outlines on transparent objects when AA/AF is active
 (30.01.2015)
 
OptiFine 1.8.1_HD_U_C6
 - optimized performance
 - reduced lag spikes
 - fixed flickering leaves
 - fixed animals freezing in LAN world
 (23.01.2015)
 
OptiFine 1.8.1_HD_U_C2
 - added Anisotropic Filtering and Antialiasing
 - fixed connected sugarcane, glass panes, rails
 - fixed dripping water/lava
 (16.01.2015)
 
OptiFine 1.8.1_HD_U_B6
 - fixed cloud flickering 
 - fixed hand rendering above clouds
 - added option Firework Particles
 - installer creates inherited profile so realms libraries can be updated
 - AA and AF not active
 (08.01.2015)
 
OptiFine 1.8.1_HD_U_B5 
 - various bugfixes
 - AA and AF not active
 (30.12.2014)
 
OptiFine 1.8.1_HD_U_B4
 - various bugfixes
 - AA and AF not active
 (19.12.2014)
 
OptiFine 1.8.1_HD_U_B2
 - updated to 1.8.1
 - AA and AF not active
 (05.12.2014)