Steps to reproduce: 1. Open Firefox 2. Open any two new pages - I control-clicked two random Pocket Stories on the new tab page 3. detach any of the tabs opened in step to into a new window (drag out the tab) 4. drag the tab you detached back into the window you initially dragged it from 5. do "control-shift-t" What happens: The reattached tab (from step 4) is detached again, AND we have the reattached tab in the window that I initially opened when opening Firefox. The tab has been duplicated. Expected result: reopen closed tab does nothing.
Bug 1846549 Comment 0 Edit History
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Steps to reproduce: 1. Open Firefox 2. Open any two new pages - I control-clicked two random Pocket Stories on the new tab page 3. detach any of the tabs opened in step to into a new window (drag out the tab) 4. drag the tab you detached back into the window you initially dragged it from 5. do "control-shift-t" What happens: The reattached tab (from step 4) is detached again, AND we have the reattached tab in the window that I initially opened when opening Firefox. The tab has been duplicated. Expected result: reopen closed tab does nothing. mozregression: ``` 4:49.97 INFO: Narrowed integration regression window from [f1fb2652, 15a57a8c] (3 builds) to [f1fb2652, a44656c2] (2 builds) (~1 steps left) 4:49.97 INFO: No more integration revisions, bisection finished. 4:49.97 INFO: Last good revision: f1fb26526a2e8e7d9539b3f975817b0578e1bc0c 4:49.97 INFO: First bad revision: a44656c2ad83d278286aa51507864e53a3911df3 4:49.97 INFO: Pushlog: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=f1fb26526a2e8e7d9539b3f975817b0578e1bc0c&tochange=a44656c2ad83d278286aa51507864e53a3911df3 ```
Steps to reproduce: 1. Open Firefox 2. Open any two new pages - I control-clicked two random Pocket Stories on the new tab page 3. detach any of the tabs opened in step 2 into a new window (drag out the tab) 4. drag the tab you detached back into the window you initially dragged it from 5. do "control-shift-t" What happens: The reattached tab (from step 4) is detached again, AND we have the reattached tab in the window that I initially opened when opening Firefox. The tab has been duplicated. Expected result: reopen closed tab does nothing. mozregression: ``` 4:49.97 INFO: Narrowed integration regression window from [f1fb2652, 15a57a8c] (3 builds) to [f1fb2652, a44656c2] (2 builds) (~1 steps left) 4:49.97 INFO: No more integration revisions, bisection finished. 4:49.97 INFO: Last good revision: f1fb26526a2e8e7d9539b3f975817b0578e1bc0c 4:49.97 INFO: First bad revision: a44656c2ad83d278286aa51507864e53a3911df3 4:49.97 INFO: Pushlog: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=f1fb26526a2e8e7d9539b3f975817b0578e1bc0c&tochange=a44656c2ad83d278286aa51507864e53a3911df3 ```