First letter typed when swapping tabs not appearing in text field.

I've recently swapped to Firefox from Chrome and I've noticed a huge hindrance. I use a chatroom website and when I swap to the tab and begin to type, the first letter i… (read more)

I've recently swapped to Firefox from Chrome and I've noticed a huge hindrance.

I use a chatroom website and when I swap to the tab and begin to type, the first letter is randomly eaten/won't be entered into the text field.

For instance I was typing the word "What" and the text field only displayed "hat". Or when typing "Either" only "ither" appeared.

I thought this may have been related to a hardware acceleration issue but both settings did not work. So I started to look at Hotkeys but none of them should be interfering.

Some others have stated they have this issue too and I've been unable to find any solution. Any help?

Asked by AstralBeast 2 minutes ago

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 It only saves two or three total backups, some of which are completely out of date.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 1 hour 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 hours ago

amd relive doesn't work with firefox open.

AMD ReLive instant replay does not work if mozilla firefox is open in the background while playing a game. It works fine with Google Chrome running in the background, clo… (read more)

AMD ReLive instant replay does not work if mozilla firefox is open in the background while playing a game. It works fine with Google Chrome running in the background, closing firefox "fixes" the issue.

Asked by BLANK 5 hours ago

Last reply by Paul 4 hours ago

[AI] Disable permanently on Windows 11 for all users/profiles

Please I want to remove Ai from Firefox Mozila permanently on Windows 11 for all users/profiles: I tried a lot of workarounds but they are unsuccessfully: I tried to cre… (read more)

Please I want to remove Ai from Firefox Mozila permanently on Windows 11 for all users/profiles:

I tried a lot of workarounds but they are unsuccessfully: I tried to create extensions (Hide Gemini, AI Google Overview), but they do not work for all users; only profile-based extensions are supported. I tried to use preferences using internal settings on Firefox, but it does not apply to all users. I tried using a script on PowerShell for all users merging internal preferences, but it does not work I copied the local and roaming settings from Firefox to the Default profile, but it was unsuccessful.

I also tried to remove "All" from the search page, but I moved the seach to go to the tab "Web" only.

Reference: https://gist.github.com/gene1wood/0bd4250ffef9d57fd801d59f23433114 https://www.maketecheasier.com/disable-ai-models-firefox/ https://www.askvg.com/how-to-disable-and-remove-all-ai-features-in-mozilla-firefox/


Thank you for any help and feedbacks. --Rod

Asked by Rodrigo N M 3 weeks ago

Last reply by Agent virtuel 1 day ago

Ring site doesn't login with Firefox desktop

I updated my MAC OS, my Firefox IS up to date. My RING website Log-In no longer works on Firefox, yet is DOES work using Safari, which I never use. Is there a setting on … (read more)

I updated my MAC OS, my Firefox IS up to date. My RING website Log-In no longer works on Firefox, yet is DOES work using Safari, which I never use. Is there a setting on the latest Firefox I can change so I can access my RIng account from my Desktop browser? It DID work last month

Asked by pfbypb4fsb 5 months ago

Last reply by Laprong 3 days ago

Firefox PDF Editor Save to PDF not saving the changes

I am using the FireFox PDF Editor to annotate a PDF, however, no method of me saving the document (whether that is save as, or save as PDF) will allow me to save any anno… (read more)

I am using the FireFox PDF Editor to annotate a PDF, however, no method of me saving the document (whether that is save as, or save as PDF) will allow me to save any annotations on the document. If I try doing save as PDF, the preview shows up as blank sheets of paper, when I click "save as" it only saves one page of the 31 as BLANK. If I try doing normal save as, the saved file is un-annotated.

Please help... thanks

Asked by lincolnxu.ca 6 hours ago

Firefox crashes and I lose all my open windows.

Why does this happen? I was even logged in, and my tab groups are gone. Why??? Do I need to use a different browser? And Firefox has had trouble with some websites wh… (read more)

Why does this happen? I was even logged in, and my tab groups are gone. Why??? Do I need to use a different browser? And Firefox has had trouble with some websites where the paying portion is not correct. However, if I go to a different browser (Chrome), the paying portion works correctly. I'm getting kinda tired of these weird things going on. Please don't offer a feature that doesn't work like grouping tabs.

Today: Can't access website. I think it is the ISP or the router. Reset the router. No luck. Tried a different device on the Wifi. Works fine. Tried a different browser. works fine. Shut down Firefox. I had 2 browser instances open with several windows in each. Could not restart firefox, as it did not close correctly. I closed the broken instance(s). opened FF again, only got one set of windows, not both sets. The other instance had a bunch of grouped windows, and the groups seem to be gone. I can recreate most of those, but had some windows with ongoing work and things I wanted to look at and now they are gone.

FF crashed when I tried to get some answer from ediblearrangements.com help.

Asked by mfmattran 12 hours ago

Last reply by Paul 7 hours ago

Not logged off on old phone

I returned a phone that I had for 2 weeks (the phone was a Motorola G Stylus 2024, if that's even relevant), and while I did a factory reset on the phone before returning… (read more)

I returned a phone that I had for 2 weeks (the phone was a Motorola G Stylus 2024, if that's even relevant), and while I did a factory reset on the phone before returning it, I am worried that my Firefox account information is still accessible through the device.

One reason why I am worried is because, when looking at synced windows open, *everything* that I had open on there was open and accessible through my account. Another reason that I am worried is because I did not log out on the device before returning it to my local Best Buy.

It'd probably be impossible to track down the exact phone that I had, but can anything be done? Should I redo my log-in password for Firefox (or even all the sites that I used on that phone) or am I worried over nothing?

Asked by k.george805 7 hours ago

Address in location bar

When I search for something, the location bar no longer shows the address and the star to add bookmarks unless I click on a little globe. I installed a Firefox update not… (read more)

When I search for something, the location bar no longer shows the address and the star to add bookmarks unless I click on a little globe. I installed a Firefox update not long ago but this has only just happened. I'd like to be able to just bookmark searches like I used to.

Asked by kep 19 hours ago

Last reply by Agent virtuel 8 hours ago

History wiped on exit with options not working as per requirements.

Ok so I usually choose these option to remember history and from time to time delete Browsing & download history and Temporary cached files and pages. https://asset… (read more)

Ok so I usually choose these option to remember history and from time to time delete Browsing & download history and Temporary cached files and pages.

https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/images/2025-06-28-08-45-55-a5277f.png

Note: I have "Open previous window and tabs" ticked in general settings which also has a restore previous session option in the history menu. This brings back previous session with tabs etc as is when I close FF. https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/images/2025-06-28-08-45-51-cf2daf.png

I thought I could automate this on exit but don't think its working right. So I change the option to "use custom settings for history" and tick all three options:

Remember browsing and download history Remember search and form history Clear history when Firefox closes For "Clear history when Firefox closes" I ticked Browsing & download history and Temporary cached files and pages. https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/images/2025-06-28-08-45-43-b10213.png

The issue is the restore session option is missing and FF opens with all previous tabs gone. I am frankly not even sure what else is missing such as cookies, site data etc. Is this meant to work like so?

Asked by Mrsash 2 weeks ago

Last reply by Mrsash 8 hours ago

Wallpaper options missing.

I have attached an image of the setting panel that used to have options for the home screen of Firefox. There are no wallpapers to choose from and the Home screen is barr… (read more)

I have attached an image of the setting panel that used to have options for the home screen of Firefox. There are no wallpapers to choose from and the Home screen is barren.

Asked by icpsimp17 2 weeks ago

Last reply by jonzn4SUSE 9 hours ago

Firefox Issues After Update

I don't know what you're doing but EVERYTIME I do an update lately, something goes wrong. Today after update, my STGs are affected and ALL ARE GONE. I do NOT believe th… (read more)

I don't know what you're doing but EVERYTIME I do an update lately, something goes wrong. Today after update, my STGs are affected and ALL ARE GONE. I do NOT believe this is their fault. And you put this dang auto Startpage when launching window, I did NOT ask for that. I am so pissed, how do I get them all back? I had things I was working on that were very important. What else did you add to FF that I don't know about? I don't want your updates anymore. You screwed me big time. And I don't want the extensions YOU think I should have: Google, eBay, Bing, etc. wasting my space. I'm not the only one either, seen lots of complaints.

HOW DO I GET THOSE TABS BACK??????

Asked by jj 17 hours ago

Last reply by jscher2000 - Support Volunteer 10 hours ago