Thank you for writing these thorough posts so quickly! We do have plans to allow you to hide or rearrange elements on the new Cooldown Manager in a future patch, however the specifics of how that works are yet to be determined. We are reading and noting all your feedback about feature requests, but can’t speak to much at this time that’s outside the scope of this PTR.
Because elements in the tool can’t be customized, we wanted to share a little philosophy behind what we’ve chosen to include and whether to make something an icon or bar. We want the Cooldown Manager to have all the information you need to play your rotation for a spec - you can just turn it on for a spec you’ve never played and you’re good to go.
But it doesn’t show everything - it aims to clarify and filter information to help you play with intention. There are a lot of buffs and such that WoW specs gain that don’t affect their choices, like short stat buffs or maintenance buffs that tend to stay up through the course of normal play. If a proc causes an ability icon to light up, we generally don’t show an icon for it because the highlight already communicates it’s present. Not showing those makes the information you do care about easier to see.
In particular we’re careful about what shows as bars, because they’re fairly “loud.” For something to be a bar, it needs to be something where knowing when it will end affects your decision making somehow.
One of the reasons feedback about which abilities are shown (or not shown) and where they’re categorized is so valuable is that it helps us find important information we might not be showing or remove extraneous information so you can focus on what matters most. For feedback on bars in particular, it’s helpful to understand your gameplay around when those effects will end.
