The window switcher/manager should be able to manage other windows.
Example menu:
✓ Window 1
- Rename
- Close
- Duplicate
- Copy Tab Links
- Bookmark All Tabs
Window 2
- Rename
- Close
- Duplicate
- Copy Tab Links
- Bookmark All Tabs
Window 3
- Rename
- Close
- Duplicate
- Copy Tab Links
- Bookmark All Tabs
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New Window
New Private Window
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Icon Only
Icon and Label
✓ Label Only