Right, Bug 1798232 _almost_ fixes it. If you perform the STR but add opening another new tab in the new window before dragging the tab back, then duplicating it works, because we dispatch a `TabClose` event. But if it's the final tab in the window, we'[skip `TabClose`](https://searchfox.org/mozilla-central/source/browser/base/content/tabbrowser.js#3973-3985).
Bug 1820692 Comment 6 Edit History
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Right, Bug 1798232 _almost_ fixes it. If you perform the STR but add opening another new tab in the new window before dragging the tab back, then duplicating it works, because we dispatch a `TabClose` event. But if it's the final tab in the window, we'[skip `TabClose`](https://searchfox.org/mozilla-central/source/browser/base/content/tabbrowser.js#3957-3985).
Right, Bug 1798232 _almost_ fixes it. If you perform the STR but add opening another new tab in the new window before dragging the tab back, then duplicating it works, because we dispatch a `TabClose` event. But if it's the final tab in the window, we'[skip `TabClose`](https://searchfox.org/mozilla-central/source/browser/base/content/tabbrowser.js#3941-3985).
Right, Bug 1798232 _almost_ fixes it. If you perform the STR but add opening another new tab in the new window before dragging the tab back, then duplicating it works, because we dispatch a `TabClose` event. But if it's the final tab in the window, we'[skip `TabClose`](https://searchfox.org/mozilla-central/source/browser/base/content/tabbrowser.js#3973-3985).