**Summary:** Pinned container tabs randomly close / vanish any time, even when using a different app **Component:** Tabs **Version / OS**: Release 125.0.3 and Nightly 127.0a1, Mac OS Sonoma 14.4.1. It has happened a few times in the last few days. **Description:** I don't know whether it's just pinned tabs, or just container tabs, or a combination of both. I will investigate more to try to narrow it down. Slack me for a screen recording of it happening, where 5 pinned container tabs just suddenly disappear, bringing a different tab to the front. *Reproduce:** There's no way that I know to reproduce it, as it happens even when Firefox is in the background. For example it happened when I was on a Zoom call, and it happened a few seconds after waking my Mac today. **Actual:** my most important tabs close without me doing anything **Expected:** them not doing that :)
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**Summary:** Pinned container tabs randomly close / vanish any time, even when using a different app **Component:** Tabs **Version / OS**: Release 125.0.3 and Nightly 127.0a1, Mac OS Sonoma 14.4.1. It has happened a few times in the last few days. **Description:** I don't know whether it's just pinned tabs, or just container tabs, or a combination of both. I will investigate more to try to narrow it down. Slack me for a screen recording of it happening, where 5 pinned container tabs just suddenly disappear, bringing a different tab to the front. **Steps to reproduce:** There's no way that I know to reproduce it, as it happens even when Firefox is in the background. For example it happened when I was on a Zoom call, and it happened a few seconds after waking my Mac today. **Actual:** my most important tabs close without me doing anything **Expected:** them not doing that :)
**Summary:** Pinned container tabs randomly close / vanish any time, even when using a different app. After happening, the 'Open in new container tab' option is missing from the context menu until I quit and reopen Fx **Component:** Tabs **Version / OS**: Release 125.0.3 and Nightly 127.0a1, Mac OS Sonoma 14.4.1. It has happened a few times in the last few days. **Description:** I don't know whether it's just pinned tabs, or just container tabs, or a combination of both. I will investigate more to try to narrow it down. Slack me for a screen recording of it happening, where 5 pinned container tabs just suddenly disappear, bringing a different tab to the front. **Steps to reproduce:** There's no way that I know to reproduce it, as it happens even when Firefox is in the background. For example it happened when I was on a Zoom call, and it happened a few seconds after waking my Mac today. **Actual:** my most important tabs close without me doing anything **Expected:** them not doing that :)