Diễn đàn hỗ trợ Firefox

I have Privacy & Security set to Strict with Cookies and Site Data deleted when the browser is closed with only 3 sites in the exclusion tab. I also use a VPN to assist with masking and for connections to defined systems and as part of that I will randomly set it to different countries 'because I can'.

I was looking at the website for the current Rugby World Cup (https://www.rugbyworldcup.com) but it was showing the wrong times for the matches. A little digging showed it had remembered my location from some point last week when the VPN was active and set to Iceland.

There is nothing I can find in my browser settings to permit this and I would appreciate pointers to check further since one of the reasons I have set the higher level of restrictions in my browser is to stop this kind of activity from websites.

I was positively surprised recently when the new Firefox profile manager (about:profilemanager) was introduced. https://www.tech2geek.net/how-to-use-the-new-updated-profile-manager-in-firefox-2025/ is an article about that.

However, I thought it's just a new visual UI with an in-browser switcher for the existing profiles (that I already had setup). However, it does not appear so.

The differences I see:

1. 1. 1. old profile management

• was managed by `about:profiles` or when starting FIrefox with `-P`
• is saved in `~/firefox` and the `profiles.ini` clearly and quite obviously mentions them there, so it's easy to manage them.

I also found this old support article: https://support.mozilla.org/en-US/kb/profile-manager-create-remove-switch-firefox-profiles

1. 1. 1. new profile management

• automatically asks on startup if more than one profile exists
• is managed by `about:profilemanager` or with the Firefox burger menu
• seems to be saved in `~/.mozilla/firefox/Profile Groups` (Linux path here) in some .sqlite files, and I do not quite understand the format. Not mentioned in `profiles.ini`.
• also, when you change something here (even like opening a profile?), you cannot open `about:profiles` anymore, because it says "Some Firefox process has made changes to your profile, […] you need to restart Firefox", only after a restart further changes would be possible, which I find quite confusing but it also indicates somehow the features belong together?

And this seems to be the new one: https://support.mozilla.org/en-US/kb/profile-management#w_whats-the-difference-between-profiles-and-multi-account-containers

1. 1. Questions

• What are the differences here (I may have missed)?
• How can the new profile feature save so few files? Is it technically called "profile groups"?
• And the most important: How can I migrate an old profile? (In order to use the new features and GUI etc. I quite like)

Each time I click a particular icon, it goes to a page to set up an account for that website. But I already have an account there. How can I change the icon to go to my account instead of the setup page?

Why isn't the Firefox browser supported by many services and social networks? They even state in the warning that Firefox is not supported! Why should users tolerate this?

Почему браузер FireFox не поддерживается многими сервисами и социальными сетями? Так и пишут в предупреждение, что этот браузер FireFox не поддерживается! Почему пользователи должны терпеть это?

Это изображение с snapchat.

Will this fricking "The bookmarks and history system will not be functional" B.S. ever be fixed? Firefox didn't have this issue for years now for almost a year every time Firefox starts up on a cold boot I get this idiotic non-sense message!. I have to close the browser I JUST OPENED and reopen in. This error is pure B.S. as again cold boot, just launched there is NOTHING other than Firefox that might be accessing the various sql.db's...so if this message is to be believed Firefox is blocking Firefox from Firefox... FIX THIS!

This happens occasionally for many months. It is still happening on v147.0.1. I start the computer, open Firefox, and the browser loads previously viewed pages, including my Gmail account. The Gmail page has me already logged in, and I DID NOT provide my password! This has to be a big security risk. If some one were to use my computer, or it was stolen, they would have complete access to my Gmail and all Google properties! OS - Debian GNU/Linux 12 (bookworm) Kernel v6.1.0-42-amd64 Firefox v147.0.1 (and MANY previous versions)

Hello, any best practices for converting Firefox bookmarks once they're exported? The exported_bookmarks.html are an html file which are impossible to edit. Converting so the data for folders, titles and urls can be edited is what's needed.

I tried Vi with some Regex code, however the cleaned file is not so clean.

bold textestablish a master administrator syncSYNC source for all conected devices do not want each individual device to reload and edit al devices connected Want one single MASTER sybc source as the administrator update source MASTER for al conected devices

Hello there. Unfortunately, according to Netflix help pages, Firefox Linux is limited to 720p, unlike Windows or macOS version. Opera is the only linux browser allowed to stream Netflix at 1080p.

This is a Netflix side limitation because using a fake user-agent is a workaround.

I have reported this problem to Netflix, it appears to be a DRM limitation. My report to Netflix have been share with their tech team, but I doubt that leads to anywhere.

Question : why this limitation ? Is the Widewine codec implemented differently in linux version ? Is there a way to make Netflix change their rules from Firefox team ?