Window > New View, perhaps? To get at least two tabs with the same document opened, arranged in tiles, to see the artwork in both Preview and Outline modes, at different scales, and knowing which these scales are? But that is my guess, and the last time I worked in this split-view was like 7 years ago.
...and each tab still gets its own zoom level at the bottom-left corner anyway — though the inactive one is quite difficult to see.

Egor, makes perfect sense why the color profile info is included and I won't argue for it's removal.

I really just want to know why the "@ zoom %" in both Illustrator and Photoshop are necessary to have in the document tab and if we could have a ticker to 'simplify' or maybe package it as 'multi-task/doc workspace'?

Like if I'm working between multiple documents aside from it being a 'universal design approach' why include it twice?

Dalton, yeah, the simplification part I get clearly, and I personally like the feel the slimmed tabs give.
Sure, the zoom level is duplicated, but the current color and viewing mode are displayed only there. This is a shared behavior among major Adobe apps, and having the info there is crucial for a lot of users. I can’t say there are better places to put this info (except maybe in the underdeveloped Show bar at the bottom). Sure, some other apps just don’t show these constantly at all...

It does not mean it can’t ever change, since it’s the universal design approach here — and I don’t say the idea is that bad — but making this single optional ticker that changes something global like this needs a lot of requests and serious arguments, other than just a mental feel.

I also imagine a number of 'help, I can’t see my color mode!' cries, for those who accidentaly turned it off... People often turn off the bounding box and come here to ask how they can have a resize option back! Again, it is a design problem with any modality, and it does not mean it can’t be made — but you asked about my thought process :)

Let’s see how many votes it gets.

Hey Egor, the idea is really just simplification and usability. Itd save mental bandwidth switching between documents. Is the zoom necessary at the top of the tab? Having the information displayed once at the bottom seems good to me. Also having it as an optional ticker (maybe set to 'on' by default) in the ui settings seems good? Whats your thought process on it?

I can guess why, but I’d like to know your arguments, to check if we mean the same.
Also — if this option ever happen — do you have a specific place in mind you’d like to still be able to get this information from?