User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1 Build Identifier: Mozilla/5.0 (Windows NT 5.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1 When I close a pinned tab, the focus goes automatically to the last viewed tab. Then, if I clic on the closed tab, it re-opens. Finally, when I display the "group preview window", the closed-and-reopend pinned tab now has 3 icons instead of 1. Reproducible: Always Steps to Reproduce: 1. Close a pinned tab (with CTRL + F4 or right clic, since CTRL + W is disabled for pinned tabs) 2. Clic on the greyed icon representing the now closed tab: it re-opens. 3. Go to the group preview window. Now there are 3 icons for the closed-and-reopend tab on the right sidebar of each group. Actual Results: 3 icons Expected Results: 1 icon It isn't related to the number of groups. Since I had also 3 groups opened, I thought it could be, but I have checked that and it's not.
I can't see any greyed icon representing the closed tab. Mozilla/5.0 (Windows NT 5.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1 Is your grey icon located at the same place as the now closed pinned tab was? Does the issue still occur if you start Firefox in Safe Mode? https://support.mozilla.com/en-US/kb/Safe+Mode
No, in safe mode, a pinned tab simply disappear when closed. Yet, when restarting in normal mode, my old list come back, with tabs closed in safe mode greyed but here once again. I think my only extension interacting specifically with pinned tabs is "Easy App Tabs 3" and the bug is still present after desactivating it/restarting.
How about running in normal mode, but with all add-ons manually disabled? https://support.mozilla.com/en-US/kb/Troubleshooting+extensions+and+themes#w_test-for-faulty-extensions
Problem does not occur with all extensions disabled. Problem occurs with only "Tab Utilities 1.0.6" enabled. This extension is older than Firefox 4, that's why I didn't realize it could interact. My mistake... The greyed icons or "phantom tabs" are part of this extension's normal work. But the tripled icon is a bug, i think.
Not a bug in Firefox 4, but in Tab Utilities 1.0.6.
Status: UNCONFIRMED → RESOLVED
Last Resolved: 7 years ago
Resolution: --- → INVALID
Summary: closing pinned tabs leads to duplicate icons in group preview → Closing pinned tabs leads to duplicate icons in the group preview if the add-on Tab Utilities 1.0.6 is enabled.
Component: Tabbed Browser → Extension Compatibility
QA Contact: tabbed.browser → extension.compatibility
Summary: Closing pinned tabs leads to duplicate icons in the group preview if the add-on Tab Utilities 1.0.6 is enabled. → Closing pinned tabs leads to duplicate icons in the group preview [caused by Tab Utilities 1.0.6]
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