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  • Solved

I am unable to log in to Costco with firefox/linux 140, although an old Chrome has no problem. Same thing happens with various medical patient portals. WHAT IS THE PROBLEM?

I was finally forced to update my Firefox to the released version. I am increasingly unable to log in to various "secure" websites with Firefox 140...1 although Chrome 1… (read more)

I was finally forced to update my Firefox to the released version. I am increasingly unable to log in to various "secure" websites with Firefox 140...1 although Chrome 106 (old, but can't update) has no problem. There are also a number of captchas that are simply invisible to firefox. Why is this happening?

Asked by bashley101 14 hours ago

Answered by bashley101 10 hours ago

Animated SVGs much worse performance than chromium.

https://gist.github.com/ben-j-c/6d15852955d04c9018600d15d4a8a13e Context: Here is an animation I generate with a program I'm developing. It being an SVG makes it useful … (read more)

https://gist.github.com/ben-j-c/6d15852955d04c9018600d15d4a8a13e

Context: Here is an animation I generate with a program I'm developing. It being an SVG makes it useful to open in a web-browser. In chromium based browsers I have smooth animation, while in firefox I get much worse performance. At larger animations the problem becomes much more apparent. This is the approximately the largest animation that firefox can handle without lagging too much.

Expected: Firefox should have comparable SVG animation performance as chromium.

Asked by benjamin.j.correia 13 hours ago

  • Solved

New Tab page text color

Hi there! The New Tab page looks great with white text, but Firefox 140.0.4 thinks my wallpaper is white, so text should be dark. I can change the body class to "activity… (read more)

Hi there! The New Tab page looks great with white text, but Firefox 140.0.4 thinks my wallpaper is white, so text should be dark. I can change the body class to "activity-stream darkWallpaper" using the inspector and it works fine, but how make this change permanently?

Asked by yakov.mirenkov 1 day ago

Answered by yakov.mirenkov 16 hours ago

Firefox is not allowing to access the old windows and their tabs.

Hi Team, I am using Linux Mint 20 Cinnamon. Cinnamon version is 4.6.6. The issue is that I was browsing and by mistake I selected one tab then dragged it for sometime and… (read more)

Hi Team, I am using Linux Mint 20 Cinnamon. Cinnamon version is 4.6.6. The issue is that I was browsing and by mistake I selected one tab then dragged it for sometime and then released the tab but that created a new window and now the old windows are not visible in ALT + Tab function. The windows are showing in the Firefox task manager and also the box icon in the top right corner in that "open tabs". Now I am not able to even change the window or able to access the opened tabs. Attached the screenshot and as you can see in that there are total 4 windows showing in firefox and one as active but in the bottom on the firefox icon you can see its only 1 window. How can I access the remaining 3 windows? Found one ticket (https://support.mozilla.org/en-US/questions/1477845) in this the recommend solution does not work. When I try to click on the window 1 tabs then I do not get any response. I tried both the solution but none worked.

Thanks for the help in advance. @Mozilla team member is seeing please check and fix this bug if possible.

Asked by kaivan.shah 1 week ago

Last reply by jonzn4SUSE 23 hours ago

secure connecton failed

dear sir/madam, when i am opening work site it is not working properly it is showing secure connection failed in boss linux i update my browser but problem still continu… (read more)

dear sir/madam, when i am opening work site it is not working properly it is showing secure connection failed in boss linux i update my browser but problem still continue.

Asked by khasa 1 day ago

Last reply by jonzn4SUSE 1 day ago

no synchronization

I created an account on an old PC, in the account it is visible as kos-work-note, now I am on a new kos-ltop, and there is no data at all in the browser, why is that? … (read more)

I created an account on an old PC, in the account it is visible as kos-work-note, now I am on a new kos-ltop, and there is no data at all in the browser, why is that?

Asked by konstantin.velikotsky 1 day ago

Last reply by Vexi 1 day ago

La Chat Mistral Login

Hi, Using FireFox to log into Le Chat Mistral doesn’t work on my Ubuntu 22.04 PC. I enter the email to verify the A/C then enter the code number. Next it says ‘You succes… (read more)

Hi, Using FireFox to log into Le Chat Mistral doesn’t work on my Ubuntu 22.04 PC. I enter the email to verify the A/C then enter the code number. Next it says ‘You successfully verified your email address’ and pressing 'Continue' I go back to 'Verify your account' page and round we go again??. There is no problem on my Windows 11 laptop so what's the issue with Ubuntu or have I done something silly? Thanks

Asked by 26Aries 1 day ago

gmail logged out after firefox abrupt shutdown

I'm using Firefox on Ubuntu, and every time the browser crashes and I reopen it, I get the "Start New Session" or "Restore Previous Session" prompt. I’ve tried both optio… (read more)

I'm using Firefox on Ubuntu, and every time the browser crashes and I reopen it, I get the "Start New Session" or "Restore Previous Session" prompt. I’ve tried both options at different times, but in either case, I find myself logged out of Gmail.

This is quite frustrating, especially considering the number of authentication steps required to log back in (e.g., 2FA, verification prompts, etc.).

It seems like session cookies or state information aren’t being properly preserved or restored after a crash. I had high hopes from Firefox in terms of privacy and stability, but this issue is seriously affecting my workflow.

Has anyone else faced this? Is there a way to ensure that sessions (especially login sessions like Gmail) are preserved after a crash?

Any help or suggestions would be appreciated!

Asked by vinaybadola46 2 days ago

Add (custom) Search Shortcut button missing

Hello, I can't figure out how to add a custom search shortcut, is this no longer possible in Firefox (without installing addons/extensions)? I recall 'custom search' be… (read more)

Hello,

I can't figure out how to add a custom search shortcut, is this no longer possible in Firefox (without installing addons/extensions)?

I recall 'custom search' being more or less ubiquitous, and feel like there was an "Add" button below the Search Shortcuts UI not that long ago.

Bookmarks with keywords would be a reasonable workaround if it weren't for having to prefix the keyword to the search terms.

Thank you, Kyle

Asked by kyle876625 3 days ago

Last reply by Agent virtuel 3 days ago

  • Solved

session backups inadequate

I keep a lot of tabs open (~60) in any particular session - I find it's faster in this way to get back to a site. About every six months or so, I lose *all* these tabs b… (read more)

I keep a lot of tabs open (~60) in any particular session - I find it's faster in this way to get back to a site.

About every six months or so, I lose *all* these tabs because of Firefox's inadequate session backup system. It only saves two or three total backups, some of which are completely out of date. But the worst scenario is when (1) some site pops up a new window; (2) I mistakenly close my main window before the new window; (3) I open this new saved window once or twice by accident, causing my 60-tab session backup to be overwritten.

Using a third-party session manager (I have tried all the well-known ones) can mitigate this problem, but doesn't really solve it because the re-opened sessions aren't quite in the same format as Firefox sessions and so lose information. In particular, I often lose each tab's icon as well as metadata for Tree Style Tab.

Could Mozilla please consider a more robust session backup system for Firefox? All it would take (I think) is to allow the user to choose the total number of backup sessions and the frequency at which a new session is added. Thank you!

Asked by carl.andersen 3 days ago

Answered by jonzn4SUSE 3 days ago

Application error: a client-side exception has occurred (see the browser console for more information).

Fix for RangeError: invalid language tag and client-side exceptions in Firefox on Linux Hi everyone, I was experiencing persistent JavaScript errors in Firefox on Linux … (read more)

Fix for RangeError: invalid language tag and client-side exceptions in Firefox on Linux

Hi everyone, I was experiencing persistent JavaScript errors in Firefox on Linux when loading certain modern websites (e.g., built with React or Next.js). The browser console showed messages like:

   RangeError: invalid language tag: "chrome://global/locale/intl.properties"
   A client-side exception has occurred (see the browser console for more information)
   React error #418 with minified stack traces

This happened even in Safe Mode, with all extensions disabled, cookies/cache cleared, and Enhanced Tracking Protection off. ✅ Root cause and fix:

Turns out the issue was related to missing or broken locale configuration in Firefox. To fix it:

   Open about:config
   Create a new string entry:
       Name: intl.locale.requested
       Value: en-US (or fr, en-GB, etc. — any valid locale)
   Restart Firefox

After adding this key, all affected pages started working correctly. The invalid "chrome://global/locale/intl.properties" error in intl.accept_languages disappeared as well — it seems that was just a side effect of the missing locale setting. 🔁 Summary:

If you’re seeing RangeError: invalid language tag and React crashes, try adding intl.locale.requested manually. This fixed the issue entirely for me on Linux.

Hope this helps others!

Asked by Clément 4 days ago

  • Solved

Firefox reseted after reboot

Hi! i was wondering why my firefox reseted after reboot. i have all the important tabs and bookmarks for my university work, chores and articles, platforms that are mande… (read more)

Hi! i was wondering why my firefox reseted after reboot. i have all the important tabs and bookmarks for my university work, chores and articles, platforms that are mandetory on my uni. also, i was tinkering with partitions before the reboot because my steam didnt want to run any games. i was guided by the chat gpt with terminal coding to do get steam working even tho i didnt solve the problem. is there any way you can help me?

Asked by Tin Balaban 5 days ago

Answered by jonzn4SUSE 4 days ago

Feature Request: Allow「Enable vertical tab mode sidebar for some windows individually」

Support Firefox to be able to use different tab view modes on different windows! For example, two Firefox windows on different monitors, in my situation below: - One on … (read more)

Support Firefox to be able to use different tab view modes on different windows! For example, two Firefox windows on different monitors, in my situation below:

- One on a 1920*1080 hori screen, with vertical tab sidebar disabled - One on a 1080*1920 vert screen, with vertical tab sidebar enabled for this window only in this case.

It brings much more convenience, at least for situations just like mine :)

Asked by Jelly Terra 4 days ago

Last reply by jonzn4SUSE 4 days ago

Firefox sound set to zero changing songs on Spotify

I am using Firefox on gnome desktop on the PureOS variant of Debian. About three days ago, I went to listen to my Spotify playlist on Firefox, not through the Spotify app… (read more)

I am using Firefox on gnome desktop on the PureOS variant of Debian. About three days ago, I went to listen to my Spotify playlist on Firefox, not through the Spotify app. I had no sound, checked my system settings and turned the volume for Firefox from zero back up to normal. The rest of the song played, but when the next song came on, again no sound. I watched the sound settings and when the song finishes, Firefox disappears from the sound settings list. When the next song starts, Firefox is back in the list but volume is set back to zero. I suspect this may be something in gnome, but I thought I would check here in case anyone else is seeing this issue. Thanks so much for any help or at least a shoulder to cry on :D

Asked by echline 2 months ago

Last reply by spotiify apk 5 days ago

Updates disabled by entreprize policies

I just installed Linux Mint. I am new to Linux. Firefox came with it. In the Firefox help/about, I see that updates have been disabled by your organization. I am just a s… (read more)

I just installed Linux Mint. I am new to Linux. Firefox came with it. In the Firefox help/about, I see that updates have been disabled by your organization. I am just a single user. There should bot be any enterprise policy applicable. Why did I get this and how to get rid of it?

Any help appreciated.

Asked by poulinbf 5 days ago

Last reply by jeff-g 5 days ago

Don" have password any nore?

Sorry! 0 results found for ‘I do not recall my password for updating, what do I do.? For past 30+ years have been US Navy, no access to persona computer like I am now rea… (read more)

Sorry! 0 results found for ‘I do not recall my password for updating, what do I do.? For past 30+ years have been US Navy, no access to persona computer like I am now ready to update any of my home computer, forgot password for’ for ‘Firefox’

Asked by GARY 5 days ago

Last reply by Paul 5 days ago