SCH is not fun to play at the moment and feels very clunky and frustrating. Here are my proposed changes, and the reasons behind them:

An action that gives you 3 stacks of aetherflow, only usable out of combat

Making aetherflow unusable out of combat was a really bad change. Dungeons feel awful, especially when mobs die just before your aetherflow comes off cooldown and you have to wait for the next pack. Keeping your aetherflow cycling every minute was a basic SCH concept that has been drilled into our heads for 6 years and this change runs counter to all of that. It feels terrible.

Yoshi-p has mentioned already that they can't code aetherflow to automatically fill after every wipe but an action like this should be a decent alternative. This would also REMOVE the need for SCHs to wait before pulling, as the action could be separate from Aetherflow itself.

SCHs having 3 stacks ready on pull was unique and was part of their job identity imo. Now aetherflow just feels like a regular cooldown.