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Oct.14.2025 Update: Weird white boxes on dark mode

After the update on the 14th, dark mode has gained weird stylistic choices that I cannot find a way to alter: namely, when closing a new tab, a white box with black font … (read more)

After the update on the 14th, dark mode has gained weird stylistic choices that I cannot find a way to alter: namely, when closing a new tab, a white box with black font appears -as opposed to the previous darker toned grey/purple with white font. However as of writing this post, I notice that dark mode is not working on this webpage. Seeing as I have an extension enabled in addition to the basic dark mode selection in Firefox settings, I can only imagine that something was broken in the update. Please advise, the change is jarring.

Asked by elvenbiv 3 weeks ago

Last reply by elvenbiv 44 minutes ago

Mozilla Group Tabs

I'm sure someone will have answered this somewhere but is there a way to backup and restore the native Mozilla Tab Groups. I've seen plenty of people recommend other Grou… (read more)

I'm sure someone will have answered this somewhere but is there a way to backup and restore the native Mozilla Tab Groups. I've seen plenty of people recommend other Group Tab extensions but I like the inbuilt one combined with Containers.

I've read that you can backup the whole Mozilla profile folder and this should work but I've tried that and failed, I used a few extensions to backup sessions and that also failed.

Any help would be appreciated.

Asked by David Anson 1 hour ago

ups.com tracking services not working on Firefox

Hi! What goes wrong with a simple tracking request on the UPS website? Try my actual case with the following link: https://www.ups.com/track?tracknum=1ZA06B736800244687… (read more)

Hi!

What goes wrong with a simple tracking request on the UPS website? Try my actual case with the following link: https://www.ups.com/track?tracknum=1ZA06B736800244687&loc=fi_FI&requester=QUIC%2F/ The response in Finnish is always: "Emme voi suorittaa seurantapyyntöäsi tällä hetkellä. Yritä myöhemmin uudelleen." A quick and dirty translation is: "We cannot execute your request right now. Try again later".

This is an everlasting problem. But try the exactly same link on Chrome or Edge, and it works fine.

Best regards, Tom Lindeman Helsinki, Finland [edited email from public community support forum]

Asked by tom.lindeman 5 hours ago

Overworking Firefox

Hello I am having major problems with Firefox at the moment and have done for a while. I curently have four pages open but as you can see from the attached screen shot o… (read more)

Hello I am having major problems with Firefox at the moment and have done for a while. I curently have four pages open but as you can see from the attached screen shot of my Task Manager, there are 14 Firefox processes. The usage is OTT on memory and everything else. Could you tell me why this is happening? Currently it is running in Troubleshooting mode but that is not doing anything to improve the problem. It has been known to shut my computer down, as it gets too hot. I run on Windows 10 and Bitdefender is my security. All help is gratefully received. Thanks Lisa

Asked by lisa__bridge 1 week ago

Last reply by lisa__bridge 2 hours ago

Weird Errors From Password Manager

So I'm just idly doing cleanup / maintenance work on my saved passwords and have encountered the most ridiculous error message: Vulnerable Password Learn more\ Th… (read more)

So I'm just idly doing cleanup / maintenance work on my saved passwords and have encountered the most ridiculous error message:

  • Vulnerable Password
  • Learn more\
  • This password has been used on another account that was likely in a data breach. Reusing credentials puts all your accounts at risk. Change this password.

Except I know the password is unique.

I have a strict username / password usage where every site gets a unique password, period.

Someone broke something in when it calls ABC = DEF

Asked by Colin WG 2 hours ago

Buggy left sidebar

Hello when i scroll to fast, it does this. That would be a minor issue, however, it shifts where the cursor is active, which is mildly annoying. Also, I am using some ki… (read more)

Hello

when i scroll to fast, it does this. That would be a minor issue, however, it shifts where the cursor is active, which is mildly annoying. Also, I am using some kind of theme, i believe its Aurora from Firefox.

Thank you for fixing the issue.

Best Regards

User

Asked by mplachy 2 hours ago

Tab Recovery failing with sessionstore.jsonlz4

Due to the previous thread locked, I had to start a new threat but it continues from the previous. When using the scrounger located here; https://www.jeffersonscher.com/… (read more)

Due to the previous thread locked, I had to start a new threat but it continues from the previous.

When using the scrounger located here; https://www.jeffersonscher.com/ffu/scrounger.html. It creates a JSON file which can be renamed to as used in session profiles; sessionstore.jsonlz4. This is exactly what I've done then copied it to the new profile location: \Profiles\jj55ob2s.Default (release) and I don't see my tabs restored on a FireFox engine clone browser ?

Asked by Christopher 4 hours ago

'Download bookmarks from Mozilla website

Hey there! It seems that my bookmarks are gone. I only see the place holder for them, but no link or anything else. What can I do? Is there a way to import the bookmarks … (read more)

Hey there! It seems that my bookmarks are gone. I only see the place holder for them, but no link or anything else. What can I do? Is there a way to import the bookmarks from the Mozilla website? Curiously the bookmarks on Firefox Android are there, but I can't see an option to export the list from there. Many thanks for any help! Best, Wolfram

Asked by w.lange 1 day ago

Last reply by w.lange 6 hours ago

Aol email login

I cannot login to my aol email account on firefox desktop. All was fine before I turned pc off to go on holiday for 10 days. I can login on edge chrome etc Have tried … (read more)

I cannot login to my aol email account on firefox desktop. All was fine before I turned pc off to go on holiday for 10 days. I can login on edge chrome etc

Have tried the usual things like clearing cache etc but not sucess

Please help I use fire fox for all my business so need to get access on it for aol emails


Many thanks

Asked by peterbelfast 7 hours ago

CORS-Preflight request fails on mTLS-secured connection

Hey, I am currently working on an application where I want to upload files to a server using mtls via a webapp. The upload goes to another url and server than the one wh… (read more)

Hey, I am currently working on an application where I want to upload files to a server using mtls via a webapp. The upload goes to another url and server than the one where the webapp is served from. If I test the file uploading without mTLS, it succeeds, and with mTLS enabled it also works in chromium, but in Firefox I get the following error: "Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at <url> (Reason: CORS request did not succeed). Status code: (null)." on the `OPTIONS` request before the `PUT` is done. The client and the server both have a certificate from a custom CA, which I imported into firefox, along with the private key. Does someone know what the issue here might be? I am suspecting that there is some problem with firefox loading the user certificate on the preflight request?

Asked by a.oellerer 4 days ago

Last reply by a.oellerer 7 hours ago

Import tabs from old laptop

How can I transfer open tabs from my old computer to my new one? Syncing is enabled, and the sync tabs checkbox is checked, but the tabs aren't syncing on the new device.… (read more)

How can I transfer open tabs from my old computer to my new one? Syncing is enabled, and the sync tabs checkbox is checked, but the tabs aren't syncing on the new device. I also couldn't find any separate function to load tabs.

Asked by tbuf 7 hours ago

Backspace Behaviour on Address bar

Consider the following scenario: I want to go to "nextcloud.com", so I go to the address bar and start typing. Unfortunately, I make a mistake, and the first character I … (read more)

Consider the following scenario: I want to go to "nextcloud.com", so I go to the address bar and start typing. Unfortunately, I make a mistake, and the first character I type is 'b'. Firefox then offers the autocomplete "bc.co.uk", and highlights it. I type another different letter, the added autocomplete offer is replaced with the character I added, and it will try to offer another autocomplete suggestion with all the characters I have typed so far. However, I realised the 'b' was wrong, so I press <backspace> then start typing "nextcloud.com". Of course, the backspace key now only removed the autocomplete suggestion, leaving the original 'b' I typed (so I now have "bnextcloud.com"). My question: Is there a way set configure firefox so that the key sequence 'b' followed by '<backspace>' to return the address bar to the original (empty in this example) condition? If this means turning off auto-suggest, I am happy to do that, since I don't use it anyway.

Thanks.

Asked by Paul Jewell 8 hours ago

Tabs ordering in sidebar

Hi there! I find the new sidebar (on the left for me) a great addition but is there a way to reverse the "top to bottom" tabs displaying order? Not a way to move tabs, b… (read more)

Hi there! I find the new sidebar (on the left for me) a great addition but is there a way to reverse the "top to bottom" tabs displaying order?

Not a way to move tabs, but a setting allowing, when opening a new tab (Ctrl+t), to place (and display) the icon on top of the tabs icons pile, not at the bottom.

I get that it's the opposite of the normal reading direction, but it's rather unnatural to go looking at the bottom of the screen for recently opened tabs, IMHO.

Thanks in advance if you can address this, or show me where I can find such setting.

Best regards from France, Jc

Asked by agojc 9 hours ago

Firefox keeps freezing/crashing after a few minutes of usage.

26200.6899 - Windows 11 pro OS version 144.0.2 (64-bit) - Firefox version After a few minutes of usage, firefox keeps freezing and crashing. Very frustrating. Seems to … (read more)

26200.6899 - Windows 11 pro OS version 144.0.2 (64-bit) - Firefox version


After a few minutes of usage, firefox keeps freezing and crashing. Very frustrating. Seems to have started happening after recent OS upgrade.

Asked by m.perrott 17 hours ago

Last reply by m.perrott 13 hours ago