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Every time a youtube video is placed on landscape mode on the firefox app of my android phone it becomes a single blurred image with the audio playing as normal.

Youtube seems to work fine on other browsers and I have tried all basic fixes, like deleting cache/data/reinstalling app etc. Appreciate any help.

Edit. Okay I managed to fix the issue so I'm adding the solution here in case anyone runs into this problem. Apparantly youtube playback decided to enable "ambient mode", a feature I didn't even know existed and seems to not play well with a phones resolution.

Just click the settings gear while the video is playing in landscape (mine is on the top right) and disable the "Ambient mode" feature.

Hope this helps.

Dear Mozilla support,

For a while I have the problem that when I want to watch a video fullscreen on a website e.g. youtube, inline video etc. Firefox stops and completely closes. This is only the first time when I play the video. When I re-open the browser I can continue watching the video fullscreen without any problem. I don't receive any error messages.

Attached the specs of my phone and Firefox browser.

Kind regards, Rick

Can't connect with the just downloaded version 66.0.4 to virtually any site - not to Google, not to NYT, not even to Mozilla - Firefox won't accept ANY certificate! Following errors appear (examples): "Did Not Connect: Potential Security Issue Firefox detected a potential security threat and did not continue to addons.cdn.mozilla.net because this web site requires a secure connection. What can you do about it? addons.cdn.mozilla.net has a security policy called HTTP Strict Transport Security (HSTS), which means that Firefox can only connect to it securely. You can’t add an exception to visit this site. The issue is most likely with the web site, and there is nothing you can do to resolve it. If you are on a corporate network or using anti-virus software, you can reach out to the support teams for assistance. You can also notify the web site’s administrator about the problem.

Or: Warning: Potential Security Risk Ahead Firefox detected a potential security threat and did not continue to www.nytimes.com. If you visit this site, attackers could try to steal information like your passwords, emails, or credit card details. What can you do about it? The issue is most likely with the web site, and there is nothing you can do to resolve it. If you are on a corporate network or using anti-virus software, you can reach out to the support teams for assistance. You can also notify the web site’s administrator about the problem.

The explanation is as follows: Someone could be trying to impersonate the site and you should not continue. Web sites prove their identity via certificates. Firefox does not trust www.nytimes.com because its certificate issuer is unknown, the certificate is self-signed, or the server is not sending the correct intermediate certificates. Error code: SEC_ERROR_UNKNOWN_ISSUER

No problems whatever with other browsers. I'm sending this with Safari.

Android Mobile phone

Firefox rejects ALL service requests. Left on address line is a "human being symbol" with red backslash bar over it. How to recover?

(When problem appeared I have not touched any settings. Phone power off/on does not help.)

Hi community,

I have a Pixel 8 Pro and not sure if this has been a recent issue since the December update when I click on a phone number or dial icon I expect to end up on Google dialer but for some reason it just loads for a sec and nothing happens. This works fine on other browsers like Chrome and Vivaldi, is there a setting to tweak otherwise I had copy the number or use another browser.

my whatsapp web page doesnt load anymore and it just gets struck on a white screen, i have tried to delete cookies reinstall the browser but nothing happens. Im using endeavor os

Thankfully not too often are web site pages that are grossly out-of-format for my Android phone. Mostly everything is tiny. Yes, I can pinch expand or zoom in but then side back and forth scrolling is required to navigate and absorb the page. Not the optimum result. Very annoying.

I have font adjustments but those result in a similar and distroted page.

One web site option when available was a toggle for windows/cell phone that worked pretty good but it's not always provided. That implies the web site design is the formatting adjustment function.

Is the resultant cell phone display formatting a function of the visited web site, browser, phone device, etc or some combination of those entities settings?

The attachment is for the sumo web site page having this issue. https://client01.chat.mibbit.com/?server=irc.mozilla.org&channel=#sumo ok

https://www.treasurydirect.gov/RS/UN-Display.do

P.S. To prevent loss of these entries, Compose this message offline and do attachments first.

So I got directed here after leaving an unfavourable review due to an ongoing issue that google had no answers for. The screenshot should show the problem. I don't not know what causes it, only that it feels random when it breaks. Cashe/data clearing doesn't help, only a full reinstall seems to fix it, but this gets annoying pretty quick. The issue is search boxes on websites become black, and the text looks weird. The only add-on I use is UBlock, and when I left the review, the app broke after just an hour after being reinstalled, before I even installed UBlock.

My phone is a Samsung Galaxy S20Ultra if that helps, though I'm due for an update, and haven't had the time to sort it.

Not sure what has happened but in the last 2-3 days I am no longer able to long press on an image or video in Firefox mobile browser to bring up options to save, share etc.

Happens on multiple websites including ones that worked previously, can't remember if Firefox updated in the last few days but the issue has only just started.

Have cleared cache, reinstalled, all permissions needed to save images/videos are allowed, but had no effect on this issue.

Although New Build Claims -- Fixed the problem that caused full screen YouTube videos to exit and switch to portrait mode when changing quality or speed. But issue still persist screen doesn't rotate to Landscape mode in full screen mode. It stays in portrait mode with caption below entering in Full Screen. Works Flawlessly in Firefox Nightly

I frequently attempt to add shortcuts to web pages to my home screen, but I find that the "Add to home screen" option is not always available. I'd appreciated to insight into that.

If that is the case, I attempt to choose "Add to shortcuts" if it is a present, but I have no idea where to go from there to access the shortcut, since it does not appear on my home page. My only clue Is that I notice it has a "pinned" icon associated with it, so maybe there is a repository containing theses shortcuts? I looked for something related to that but no luck.

Firefox doesn't play Youtube videos. When opening Youtube website, the loading progress bar stops at around 80% and the video keeps showing the loading circle when pressing 'play' button.

Seems like only the tabs that have been opened for a while are affected. When opening the same video in the new tab, the issue is gone.

When the app is force stopped and started again, the issue disappears and then appears again after some time.

Installed add-ons: uBlock Origin Privacy Badger Video Background Play Fix

The issue persists when all add-ons are disabled. Can be reproduced when using a mobile network without a VPN connection.

I haven't tried to reproduce the issue with all the add-ons initially disabled.

I've found similar issues, that are however not limited to Youtube: https://support.mozilla.org/en-US/questions/1411513 https://support.mozilla.org/en-US/questions/1419131 https://support.mozilla.org/en-US/questions/1374967

This issue is focused on Youtube, so that hopefully it will be easier to debug.

Thank you for developing and contributing to Firefox for Android. It's a modern and competitive mobile browser. I appreciate your effort!

While searching for something in Google, and when I'm tapping on the suggested images with the search results, the page is freezing. That's happening everytime when searching something in Google. Note: I'm using the Google search fixer add-on.