A couple of things from PTR:
They better fix the gear scaling, or PvP is going to be very uncomfortable. Check out the health pools:
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U scale up to 19. I was Prot with only the Artifact Weapon outside of the normal BFA items. They hit just as hard as their health suggests.
And secondly, on a brighter note, seems single source BoE's still upgrade
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If they fix the PvP broken items, going to be a good X-Pac...... well, so long as you don't play Prot with no rage builders......