I'm kind of confused because I cannot reproduce on Windows 11 (testing with yesterday's nightly). If I drag a tab that is the only tab in its window to the Windows taskbar, then Windows shows me two windows, and I can then hover (while still dragging) the window I want to drag it to, which then comes into view, and I can drop on the tabstrip there. This works the same in horizontal and vertical tabs mode, AFAICT, modulo the drop indicator referred to in bug 1915167. Am I misunderstanding the steps? Are you seeing something else? Perhaps a screencast would help?
Bug 1913144 Comment 6 Edit History
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I'm kind of confused because I cannot reproduce on Windows 11 (testing with yesterday's nightly). If I drag a tab that is the only tab in its window to the Windows taskbar, and have another maximized window open, then Windows shows me two windows, and I can then hover (while still dragging) the window I want to drag it to, which then comes into view, and I can drop on the tabstrip there. This works the same in horizontal and vertical tabs mode, AFAICT, modulo the drop indicator referred to in bug 1915167. Am I misunderstanding the steps? Are you seeing something else? Perhaps a screencast would help?