Infraction: 4. Whining in any form is forbidden.
Message to User:
The first part of your post was marginally ok. Please refrain from complaining about changes. We are trying to document and theorycraft changes not complain about them. As far as I am aware complaining never boosted either my HPS or DPS. If you feel the need to change classes by all means, feel free to do so and post. Any theorycrafting contributions on your new class thread will be more than welcomed.
On one hand, Mastery and EF are still very strong, espacially when the Raid is spreaded or on fights with passive absorbs. But on the other hand, EF-Ticks not scaling with Mastery anymore is an enormous nerf on RaidHPS.
As far as it was possible to test on PTR Mastery is our best stat. I am playing full Masterygems with a minimum Spirit, which works fine on 25 with one or more Manatides. Not really usable on 10 man
The actual PTR Build reveals a massive nerf on Illuminated Healing from ~47-49% to ~25% overall healing. It might be possible to play a deep crit build, but to my opinion we might just all reroll Monk for Renewing Mist and Uplift spamming