Unfortunately, he's still not spawning as intended, and he's still listed it on the Known Issues. Please keep your eye out for his return in a patch after the first of the year. Thanks for your patience!
Since we can then assume it will be at least 2 weeks until this issue is fixed.
Are you making plans for compensation to retroactively reward those that have been clearing the operation, the crafting mats that YOUR
mistake took away from everyone?
I think that would be the fair thing to do.