Ornyx
We do recognize that there is contention around the change we made to Shadow Dance with it no longer using the stealth bar and that it's no longer a macro conditional.
Simply put, we don’t want macros or UI mods to conditionally merge abilities for you (ie, we don’t want you to be able to merge Fireball and Pyroblast in a macro, etc). This is similar to how we no longer allow you to merge
Удар в спину and
Удар Тьмы. There’s a couple of goals here, but the main one is that these abilities should all feel like they have very firm distinctions from each other, and it’s okay for you to have to press an extra button in order to achieve that.
Subtlety has been a bit of a stand-out in this for some time now, as some have mentioned here, but we want to bring the spec in-line with Legion, so we’ve opted to not allow
Удар Тьмы to be merged with other abilities through the use of macros. The same goes for
Танец теней, etc.
I would say that generally the use case of abilities while in/out of combat are very different, and with Rogues we do want to keep the use of the Stealth bar while out of combat to concrete that difference.
We could have gone that direction, but we chose not to. There are a couple of reasons here, but just to note: Druids have a ton of abilities, and there was little distinction between the abilities you mentioned in general. Feral Druids in particular also do not have any major emphasis on in-combat stealth, so you don't typically use both spells in those pairs intermixed.
Comparing that to Subtlety Rogues:
Удар в спину and
Удар Тьмы are both used rotationally, and we opted to not let them be merged. We decided instead to differentiate them as much as possible (replacing Ambush with
Удар Тьмы), such as by adding the teleport on to
Удар Тьмы.