OptiFine 1.7.10_L_B6 
 - removed reference to MinecraftProfileTexture
 - fixed "java.lang.NoSuchMethodError: com.mojang.authlib.minecraft.MinecraftProfileTexture" when Authlib is silently updated to 1.5.21
 (17.04.2015)
 
OptiFine 1.7.10_L_A4
 - updated to 1.7.10
 (07.07.2014)