Vertical Tabs status (min/max/hidden) *PER* window

Feature Scope:
Browser Tabs

Current Behavior:
Vertical window behavior synced across all windows. All open, all minimized, or all hidden.

Desired Behavior:
Have vertical tabs open on one window, minimized on another window.

Business Case:
When using multiple windows (especially across multiple displays or virtual desktop spaces), one often needs maximum viewport space in one browser window while retaining the presentation of vertical tabs on their other browser window.

Note: I found other tab feature requests, but none that specifically described maintaining the vertical tab status on a per-window basis.