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Widowed and split screen mode on Huawei P40

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Firefox seems to be unable to start in widowed or split screen mode on Huawei P40, EMUI 12. On EMUI 12, apps that support widowed mode are marked with a "window" button in the "recent apps" view. You can see in on screenshot in a yellow circle for Facebook app, but it is absent for Firefox. When I try switching to split screen mode, it shows a message, that Firefox is unable to be run in this mode (sorry, the message is in Japanese). Even if I try using an app Split Screen Shortcut, that seems to have it's own split screen function, separate from the EMUI one, Firefox still launches in fullscreen, and the Shortcut app returns an error.

The thing is, I tried Firefox on Samsung Galaxy A04s (presumably, Android 12?..), and it works without any problems.

It's it a bug and Firefox should support split screen and windowed mode, but doesn't, or does the app lack this support, but Samsung A04s's system just forces it to open in that mode itself?

If it's a bug, I would really appreciate it if you could fix it. This is literally the only downside (for me) this app has.

Firefox seems to be unable to start in widowed or split screen mode on Huawei P40, EMUI 12. On EMUI 12, apps that support widowed mode are marked with a "window" button in the "recent apps" view. You can see in on screenshot in a yellow circle for Facebook app, but it is absent for Firefox. When I try switching to split screen mode, it shows a message, that Firefox is unable to be run in this mode (sorry, the message is in Japanese). Even if I try using an app Split Screen Shortcut, that seems to have it's own split screen function, separate from the EMUI one, Firefox still launches in fullscreen, and the Shortcut app returns an error. The thing is, I tried Firefox on Samsung Galaxy A04s (presumably, Android 12?..), and it works without any problems. It's it a bug and Firefox should support split screen and windowed mode, but doesn't, or does the app lack this support, but Samsung A04s's system just forces it to open in that mode itself? If it's a bug, I would really appreciate it if you could fix it. This is literally the only downside (for me) this app has.
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Paul said

Hi If you are finding that the Beta version of Firefox for Android is working as you expect, I would hope that the fix will be more widely available in the Release version very soon.

So... Release came and went – still nothing. All other versions still support widowed and split modes. I switched to Beta for now, but I do really hope they fix this issue (and I believe it's an issue, not a feature) soon.

Edit: Searched for similar issues on Bugzilla – it appears, that Firefox had split screen and windowed modes, but they were removed due to bugs. Seeing how the bugs described on Bugzilla aren't present in Beta, it would seem someone is working to bring these modes back to Firefox. Or at least I really hope they are.

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Hi,

The people who answer questions here, for the most part, are other users volunteering their time (like me), not Mozilla employees or developers. If you want to file a bug report or feature request see File a bug report or feature request for Mozilla products for details.

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Paul said

Hi, The people who answer questions here, for the most part, are other users volunteering their time (like me), not Mozilla employees or developers. If you want to file a bug report or feature request see File a bug report or feature request for Mozilla products for details.

Question is, is this really a bug, or is it an intended behavior? I checked all other versions of Firefox (Beta, Nightly, Focus and even Tor, which is based on Firefox) and they all support window and split screen modes for me. Only the "main" version doesn't.

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Hi

If you are finding that the Beta version of Firefox for Android is working as you expect, I would hope that the fix will be more widely available in the Release version very soon.

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Paul said

Hi If you are finding that the Beta version of Firefox for Android is working as you expect, I would hope that the fix will be more widely available in the Release version very soon.

So... Release came and went – still nothing. All other versions still support widowed and split modes. I switched to Beta for now, but I do really hope they fix this issue (and I believe it's an issue, not a feature) soon.

Edit: Searched for similar issues on Bugzilla – it appears, that Firefox had split screen and windowed modes, but they were removed due to bugs. Seeing how the bugs described on Bugzilla aren't present in Beta, it would seem someone is working to bring these modes back to Firefox. Or at least I really hope they are.

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