So, patch notes for 6.1 are now up.
Demonology
- Dark Soul: Knowledge now increases your mastery by 22.5% for 20 sec, up from 30%.
- Mastery: Master Demonologist now increases all damage done by you and your demon servants by 8%, up from 6%. Additional ability damage increased by 16%, up from 12%.
Destruction
- Devastation now grants 15% more of the Critical Strike stat from all sources, up from 5%.
Will track and update them here as more changes are posted
- - - Updated - - -
The master demonologist buff and devastation buffs are live, but haven't had the chance to check out the DS nerf.
Overall, this seems like a good change to make demo slightly less bursty, but I don't see it being significantly less bursty while we have DB.
Update:
Patch 19508
Cataclysm now also applies Unstable Affliction for Affliction Warlocks.
Charred Remains (Destruction) now reduces Incinerate damage by only 50% (down from reducing Incinerate damage by 60%).
Grimoire of Sacrifice (Affliction, Destruction) now increases damage of affected spells by 25% (up from 20%).
Grimoire of Service now summons a second demon for 25 seconds (up from 20 seconds).
Kil'jaeden's Cunning now has a 35-second cooldown (down from 1 minute).