Bellular interviewed Game Director Ion Hazzikostas on Patch 10.1, and Ion announced that they are currently looking at adding some new affixes to the level 7 tier, and rotating some affixes out. This was a great interview full of insights and explanations on Raid, Mythic+ and other design choices for Dragonflight, so we'd recommend watching the full interview on Bellular's YouTube channel, but we've provided some highlights below!
General It's unimaginable that Dragonriding is something that is forever confined to the Dragon Isles. It would make people very sad. There's stuff to navigate there, such as making sure that player's mount collections are still relevant. Archeology returning is possible in some form. Part of why they haven't cared about Archeology is because they want to do something different with it. They could paint diamonds on the map for players but it may not be compelling. They can't imagine other races being Evokers, but down the line, there's no reason that Dracthyr couldn't learn how to Bladestorm or cast some other schools of magic. You can expect that UI improvements would be coming in every major patch coming forwards. They're due for another Timewalking Raid and looking at Mists Raids, Throne of Thunder is high on Ion's personal list, but nothing to announce for Embers of Neltharion as Timewalking would more likely be x.7 or x.5 patch content. Outdoor Timewalking gameplay could be something they do in the future. The Hall of Fame will be unified with Cross-Faction guilds. Mythic+ AffixesIf you are interested in the Mythic+ affix discussion, I would highly recommend listening to the entire discussion which beings at 12:45
Currently looking at not having a Seasonal Affix. Seasonal Read more on wowhead.com