I am using mysql 5.5.19 and i have tried to compile trinity core as usually. When everything is done, the auth, worldserver won't start if i'll be using the libmysql.dll inside the mysql folder. Seems the libmysql.dll that comes out inside th bin\release folder is a 5.5.9 version and not 5.5.19. Anyone is aware of this and why doesn't use the mysql 5.5.19 library when i compile the trinity core?