Looks like the Klingons have their TNG look, and with that, they have erased Discovery. While I know I'm in the minority here but I don't hate Discovery, I just hated their Klingons and their over-the-top stories didn't help out much either. It does create another problem though, they don't line up with the TOS look.
At least for now they can just go back to Worf's original explanation of their differences from TOS to TNG: