The Augmentation Evoker hotfixes nerfs are now live — a little earlier than the Weekly Reset! This looks to have been reverted. Blizzard recently announced that Augmentation Evoker would receive some tuning changes, essentially nerfing them in Mythic+. However, Blizzard mentioned that these would go live on the Weekly Reset, but it looks like these have now been pushed live as of 6:46 PM PST on NA servers.
None of the other changes have been pushed yet. If you're doing last minute key pushes, be careful as your damage profile just got shifted!
EvokerAugmentation Developers’ notes: Augmentation is overperforming in dungeons and is doing less direct damage than intended relative to the power of their buffing effects. These adjustments will increase their personal damage in all situations and moderately reduce the effectiveness of their buffs in dungeon content.Close as Clutchmates now causes Ebon Might and Breath of Eons to be 20% more effective when not in a raid (was 40%). Fixed a bug where Close as Clutchmates would not increase the Evoker’s damage done via Ebon Might for periodic effects such as Fire Breath. Ebon Might now increases the Evoker’s damage done by 20% (was 10%).
Eruption damage increased by 40%. Fate Mirror’s chance to occur reduced to 15% (was 20%). Aspects’ Favor amplifies Black Attunement to 7%/10% maximum health (was 10%/16%).
Read more on wowhead.com