I observe similar behavior when I test on YouTube. Capturing a few additional details here: **Steps to reproduce** - Load https://www.youtube.com. - Click on any video (e.g., https://www.youtube.com/watch?v=dE1zM96Nl7c) - Add a tab note [in my browser console I can see that www.youtube.com is captured as the canonical URL] - Click on any other video on YouTube - Observe that the tab note is still shown - Navigate the same tab away from YouTube - Observe that the tab note is gone [as expected] - Navigate back either to the original video (https://www.youtube.com/watch?v=dE1zM96Nl7c) or to www.youtube.com - Observe that the tab note does not display
Bug 2009674 Comment 2 Edit History
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I observe similar behavior when I test on YouTube. Capturing a few additional details here: **Steps to reproduce** - Load https://www.youtube.com. - Click on any video (e.g., https://www.youtube.com/watch?v=dE1zM96Nl7c) - Add a tab note [in my browser toolbox, I can see that www.youtube.com is captured as the canonical URL] - Click on any other video on YouTube - Observe that the tab note is still shown - Navigate the same tab away from YouTube - Observe that the tab note is gone [as expected] - Navigate back either to the original video (https://www.youtube.com/watch?v=dE1zM96Nl7c) or to www.youtube.com - Observe that the tab note does not display