When I press to exit full screen mode on a YouTube video, the video still remains in full screen mode
Categories
(Firefox for Android :: Media, defect)
Tracking
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| Tracking | Status | |
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| firefox137 | --- | unaffected |
| firefox138 | --- | unaffected |
| firefox139 | + | verified |
People
(Reporter: emanuellclaudiu, Assigned: twisniewski)
References
(Regression)
Details
(Keywords: regression)
User Agent: Mozilla/5.0 (Android 10; Mobile; rv:139.0) Gecko/139.0 Firefox/139.0
Steps to reproduce:
When I press to exit full screen mode on a YouTube video, the video still remains in full screen mode.
Actual results:
Pressing the button to exit the video from full screen no longer works.
Expected results:
The button to exit the full screen of the video should work
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Reporter | |
Updated•1 year ago
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Comment 1•1 year ago
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Good catch! This looks like a regression in 139. I can reproduce this bug in Nightly 139, but not in Beta 138 or Release 137.
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Assignee | |
Comment 2•1 year ago
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Hmm. I think this is related to our picture-in-picture fix which was adding in https://bugzilla.mozilla.org/show_bug.cgi?id=1956165#c23
If I visit about:compat, disable the YouTube PiP intervention, and reload the tab, then try again, it seems to work.
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Updated•1 year ago
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Assignee | |
Comment 3•1 year ago
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Indeed this is caused by our intervention. I have a candidate patch to fix this in bug 1962007.
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Comment 4•1 year ago
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The bug is marked as tracked for firefox139 (nightly). We have limited time to fix this, the soft freeze is in a day. However, the bug still isn't assigned.
:titouan, could you please find an assignee for this tracked bug? Given that it is a regression and we know the cause, we could also simply backout the regressor. If you disagree with the tracking decision, please talk with the release managers.
For more information, please visit BugBot documentation.
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Assignee | |
Comment 5•1 year ago
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(I'm landing the fix for this right now in bug 1962007, so I'll asssign myself here too).
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Comment 6•1 year ago
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Thomas: strangely, when I picked up my Android phone this morning (a Moto G5 running Android 8.1), my lockscreen's wallpaper had been set to the thumbnail image of the YouTube video that got stuck in full screen mode yesterday. Could the fix for PiP bug 1956165 have caused that?
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Comment 7•1 year ago
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(In reply to Chris Peterson [:cpeterson] from comment #6)
Thomas: strangely, when I picked up my Android phone this morning (a Moto G5 running Android 8.1), my lockscreen's wallpaper had been set to the thumbnail image of the YouTube video that got stuck in full screen mode yesterday. Could the fix for PiP bug 1956165 have caused that?
Never mind. I can reproduce this lock screen behavior (bug?) in Fx 137 and Beta 138, which don't have this YouTube full screen bug! I'll test whether that is a bug or not.
I filed bug 1962288 for the unrelated lock screen wallpaper bug.
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Comment 8•1 year ago
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Verified as fixed on the latest Firefox for Android Nightly 139.0a1 from 4/24 (build #2016086914) with the following devices:
- Vivo v23 (Android 14),
- Samsung Galaxy Tab S9 Ultra (Android 14),
- Xiaomi Mi8 Lite (Android 10),
- Samsung Galaxy S24 (Android 14),
- Oppo Find X3 Lite (Android 11),
- Samsung Galaxy A14 (Android 14), and
- Google Pixel 6 (Android 16).
Claudiu, could you verify on your device, as well?
Thank you!
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Updated•1 year ago
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Comment 10•1 year ago
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Verified as fixed on the latest Firefox for Android Nightly 139.0a1 from 4/25 (build 2016087218).
Tested with:
- OnePlus 5 (Android 10),
- Google Pixel 6 (Android 16),
- Samsung Galaxy A14 (Android 14), and
- Samsung Galaxy Tab S9 Ultra (Android 14), and
- Xiaomi Mi8 Lite (Android 10).
The PiP works as expected, the next video continues without pausing, pusing/resuming work.
Entering and exiting fullscreen works.
Description
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