Yeah this is unfortunate. Shadowlands could have been great, but its being ruined by Covid. Either we have long waits for patches, or they scrap a tier and we get another WoD. Not looking good.
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Its actually rather big. Its bigger than 7.1 or 8.1. Its a .2 sized patch. Maybe they went too ambitious? Maybe its covid. They are just really behind on development. 9.0.5 makes sense now. If 9.1 was going to be ready by April or even early May all of its stuff would be in 9.1. 0.5 was the writing on the wall for them being behind.
We have no idea how big the new zone is. Is it going to be good? Its going to at least be Mechagon or Timeless Isle level while making the Maw "hopefully" good.
Torghast updates.
Systems updates.
New megadungeon which will be 2 new mythic+ dungeons later.
New 10 boss raid after another 10 boss raid. 2 large raids in a row.
New covenant campaign quests.
It honestly could be as big or bigger than 7.2. Its certainly bigger than 7.1 or 8.1.