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When I use Firefox on Samsung DeX, a blank and big box appears under the address bar. This box disappears when I place the address bar on the bottom. Switching back to the top brings the box back. What might be causing this?

Galaxy S23 FE Android 16 - One UI 8 Firefox 151.0.4

Thanks in advance.

I prefer the light mode fire fox browser, as it contrasts with my system's dark mode so I can easily distinguish what I'm looking at. However, Firefox Android's light mode is appearing as black for me. Dark mode works normally, and it's a dark grey. The frustrating thing is yesterday it seemed fine, with light mode being white.

My firefox updated and it completely changed the look of the app, now it is ugly and unusable. How do i make the browser tool bar look like it did before? I need to have the back and forward buttons available next to URL, THAT IS LITERALLY THE ONLY REASON I PREFERRED THIS APP. How do I get the back and dorward buttons back and make the url bar easier to read like it was before gv 0

Text in certain languages is rendered as boxes. If I copy this text and paste it in other applications/see the clipboard, the text is perfectly visible over there. Also, if I turn off advanced protection the text becomes visible on Firefox. This wasn't the case earlier, keeping advanced protection on would still render text. Happening since long, so don't have track for version history and when started to happen. Firefox (general release) on Android. Tried on other devices too, was able to replicate, thus not device specific.

Hello,

Not sure if there is a new bug open for this issue, but colors have been off for awhile now on Tab row on top for Firefox Android. I noticed on the new Nightly, the colors are changing for address bar and the tab row section.

Unfortunately colors are still off. Not sure if I should open a new bug for this?

I am using Pixel Tablet. I have same issue on multiple other android tablets too. (OnePlus Go). The only one without an issue is Samsung tablet I have.

Image attached of how it looks on the new Nightly.

I have a bug filed about this from quite awhile but that was for stable android. https://bugzilla.mozilla.org/show_bug.cgi?id=1971473

I'm not sure if there is a new section to follow along with the new work being done? Colors are still off.

How to change the font of web text in the Firefox browser on Android for the Asia-Pacific region, for example, how to choose different fonts for Chinese fonts? Can the Android version of Firefox have a built-in setting that allows the system font to be used directly as the default font for web content or the interface?

我使用了mfga的root模块（https://github.com/Numbersf/MakeFontsGreatAgain），但是网页并不是正常显示英文字体而是花体。

When I use the expanded custom for the tab. It makes it to where the screen has this annoying border where it blocks some links and other stuff. Is there a fix that isn't just me switching to the regular one?

I am using Firefox for Android to run YouTube as a Progressive Web App (PWA). As shown in the attached screenshot 1000011880.jpg, there is a persistent red banner at the bottom of the screen displaying "YouTube" and "m.youtube.com". This banner takes up valuable screen real estate, distracts from the content, and ruins the "app-like" experience that PWAs are designed to provide. Request: Is there a setting to disable or auto-hide this bottom security/identity bar? If not, please consider this a formal request/bug report to allow users to hide this UI element once the site identity has been verified, similar to how other mobile browsers handle PWA manifests. I have also attached 1000011881.jpg to show the context of this support request.

Ever since I updated my Firefox for Android app to the latest version there have been these odd grey bars at the top and bottom of the app. It's as if the browser is assuming my phone is shorter than it actually is and is leaving these huge margins (I've attached an image to show what I mean). Firefox is the only app that has had this issue and it persists on every single page. It's even worse if I rotate to landscape as it makes about a third of the screen this grey void. In case it helps solve this issue my phone is a 2024 moto g power 5G.

I found a UI bug in Firefox for Android on Nothing Phone (1).

Device: Nothing Phone (1) Android version: 15 Firefox version: 150.0.1 (Build #2016157687), 094f3362dcbc efdce34f05b355607cdce06a4ef4 GV: 150.0.1-20260427013024 AS: 150.0.1

Steps to reproduce: 1. Open Firefox on Android. 2. Tap the private browsing icon/tab switcher. 3. Observe the screen layout.

Expected result: The UI should remain stable without moving.

Actual result: The whole interface slightly shifts downward after pressing the private browsing icon.

The issue is visible in the attached screenshots.

Whenever you go from regular tabs to your private ones, or private to regular tabs, the top and bottom margins both grow by about the width of the URL bar. Rotating the phone sideways actually makes it worse, adding bars on the side in addition to the top and bottom ones. The bottom bar will go above the keyboard when you're typing, and so far the only way to get rid of it is restarting the app. It's been affecting me for about a month now; I've attached some examples of how it looks before and after below, and here's some more info about my phone:

Firefox Version: 150.0.1 (Build #2016157687) OS: Android 15 Model: moto g stylus 5G - 2024 Extensions: uBlock Origin

Why do you have a leave feedback button in the app but it leads to the question section instead of leaving feedback options. Lastly, why is it so hard to make Firefox display in dark mode across every webpage?