Not sure if this issue is known or not, but when entering Legion, We cannot select PVP Talents, shows this error when selecting a Talent:
Received not handled opcode [CMSG_LEARN_PVP_TALENTS 0x3549 (13641)] from [Player: PlayerCharName GUID Full: 0x08000400000000000000000000000001 Type: Player Entry: 0 Low: 1, Account: 1]
I am also recieving in console errors for hunters pets.
MoveSplineInitArgs::Validate: expression ‘_checkPathLengths()’ failed for GUID Full: 0x280004000029B7400000000000000001 Type: Pet Pet number: 42717 Low: 1 Entry: 42717