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Hi.

I suspect the problem is caused by Firefox's Gecko-based Android media stack.

Device:

Honor Magic V5 Snapdragon 8 Elite MagicOS 10.0.0.157

Software:

Firefox Android 152.0.6 uBlock Origin the only extension

Reproduction:

Open any YouTube video in Firefox. Play at 720p or higher. Pause/resume or seek. Audio and video begin intermittent stuttering. Switch to another app and return to Firefox and playback immediately returns to normal without reloading the site.

Comparison:

Chrome: works fine Vivaldi: works fine DuckDuckGo Browser: works fine

Things tested:

Hardware acceleration enabled. Battery optimization disabled. Performance mode enabled. Cache/history cleared. media.android-media-codec.preferred tested. gfx.webrender.software tested. AVC and VP9 both affected. Inner and outer displays affected. Desktop mode also affected. Firefox Nightly stutters even without seeking.

When the "Scroll to hide toolbar" option is turned on, commonly used web features, such as paywalls will make it impossible to scroll after I have scrolled down the page, hiding the toolbar. Since it is impossible to scroll up, the toolbar is impossible to access unless I use a pinch to zoom gesture. A lot of websites also disable this gesture also, however.

It just happened to me when viewing: https://www.theverge.com/policy/963872/meta-eu-addictive-design-200b-fine-risk-digital-services-act-dsa

When I try to enter the VA site (https://www.va.gov/my-health) it never opens (see attachment). I use my back-up browse (Microsoft Edge) and I can enter the site. Can you help?

Jerry Clausing Riverside, UT 84334

My folders suddenly stopped loading. When I log in, I can see grey boxes down the left hand side where my folders used to be. It looks as if the folders are trying to load, then the grey boxes disappear and all I see is in the screenshot I have attached.

I have followed the instructions GMX provides. Cleared the cache, etc. Those didn't solve the problem. The second attachment shows instructions that showed when I did an online search. Please ignore the second suggestion regarding Thunderbird. If these instructions refer to gmx settings, I cannot access them as you see by the first attachment, there is no way I can access gmx settings. The icons you can see only change how my inbox contents are displayed. If the instructions refer to email settings within FIREFOX, I am still stuck as I can find no help within FIREFOX on GMX settings that deal with these settings. I am offering my firstborn, my beloved dog, Reggie, and my best wishes for a long and happy life to the person who can successfully help me with this problem. Hopefully, Pam Barkas

Until a week or so ago this site ( https://sites.google.com/view/lve-construction/july-12-2026 ) displayed photos without a problem. It no longer does, just empty boxes. I have not changed any settings on Firefox. Both Edge & Chrome display without issues. See empty image.

I recently made the switch to Firefox full time a few weeks ago, and in that time, I have been getting more and more annoying at how Firefox renders Youtube.com.

If I'm on my feed, and I click to watch a video, watch it and go back, I never know what I'm going to see when it goes back a page. Obviously it goes back to youtube.com, but I never know if it's going to load at the top of my feed, or about ten rows down. Even if I click a video in the very first row, and then go back a page, it may or may not load at the top of my feed. I could also actually click a video on the tenth row, and then when I go back, it might load at the top of my feed, though that is not as common, it has happened. It also sort of, kind of, reloads the page when it goes back, but never goes back to the point on my feed at the spot where the video I just watched is, as Chrome and Brave do.

This is not how Chrome or Brave do things, and yes, I know they use a different engine, and I'm sure that's the reason for this issue. Chrome or Brave, if I'm watching a video and click back to my feed, they are much better at loading what is in cache, even if I the video was on the 100th row. I can then manually refresh if I want to.

I can't log into my Google account using Firefox. Can log in on Chrome using the same device so I don't think the device is the problem. It was fine until about an hour ago. When I attempted to click on a YouTube tab the tab closed. Any attempt to log in redirects me to a Google support page about deleting my cache and cookies. Which I've already done multiple times and I still can't log in.

При открытии видео на ютубе в место плеера серый экран, при открытии в других браузерах, он работает.Если смотреть видео в других местах,типо вк видео всё работает.Так стало недавно, около 2 дней назад,до этого всё работало.

You asked for feedback, so here it is. Most annoying bugs to me are: 1. Text search does not work. The word exists on the page, but text search can't find it 2. Uploads fail. For example, when I upload my game to steam I need to use chromium, because Firefox fails almost all the time