Forum communautaire Firefox

System is Ubuntu 22.04 LTS. Firefox 130.0 is the browser. When printing PDF forms from a website, the printer dialog shows the paper size as US Letter, but it prints as a tiny version of the document.

When I dig deeper into the printer dialog, the page setup is listed as na_letter. When I change it to US Letter, the document will print correctly, but it reverts to na_letter for subsequent print jobs.

The printer is a Brother inkjet, MFC-J985DW. This problem only started recently and the only known changes have been automatic Firefox updates. Any suggestions for a fix?

This issue is happening with every newly installed add-on, but not with add-ons installed on or before Aug 3, 2024. The add-ons are installed via addons.mozilla.org. To rule out the possibility that it's happening only with specific add-ons, I also installed one of the random recommendations on that page, Augmented Steam which has 54,248 users, and it happens with that one as well.

I'll click Enable, but the prompt appears every time I restart Firefox.

What I've tried (with a restart after each attempt):

• Clear the startup cache
• Delete extensions.json
• Delete compatibility.ini
• Via about:config deleted extensions.databaseSchema and extensions.getAddons.databaseSchema
• Excluded Add-ons from syncing

I've noticed the following in extensions.json for each of the recent add-ons after restart:

• syncGUID changes to presumably random new value
• active changes from true to false
• userDisabled changes from false to true
• seen changes from true to false

Hi, after upgrade of ubuntu to 24.04 i got into problems with using Firefox. I it running on x11 with proprietary nvidia driver, no matter of source package (snap or deb from the Firefox repository) and no matter of safe mode the Firefox gets frozen when clicking into any dropdown control in side page, the same happens when trying to open bookmark folder in the bookmarks panel or even the dialog that opens from the star icon in address folder that should add page into the bookmarks. When running on command line, in case of the snap version there are just some warnings of some missing css file, in case of the deb version it does not output anything suspicious. I was even trying to change the UI theme (qt) as well as GTK theme in case it makes any difference, but it did not... Thanks for any help.

Twitch, Youtube Live, Netflix, Kick... it seems any live streaming platform cannot play. I am running Linux Mint 21.3, Kernel 5.15.0. They work on a different browsers, they all also work on Firefox my laptop, which is also on the same OS and Kernel.

I have tried everything: installed ffmpeg, installed unrestricted ubuntu codecs, refreshed firefox (twice), uninstalled/reinstalled firefox, ive tried without extensions, yet nothing.

Cant for the life of me figure it out, im not sure if its my PC or Firefox on this machine.

Firefox has been my default browser for many years on my debian linux desktop.

I upgraded from version 129.0.2-1 to version 130.0-1 in the normal manner and the new firefox does not connect to remote sites. It does connect to local pages on my PC and, surprisingly, also to www.google.com from where I can access news, for example.

The chrome browser on the same PC has no problems accessing sites, nor does the version 129.0.2 firefox. Only the version 130.0 firefox has a problem.

This happened using my current profile, using --safe-mode and using --no-profile mode on the version 130.0 firefox. I was able to see some packets from a remote site (www.akamai.com) come back on wireshark but the page did not display on the browser. This also happens for sites that appear on the default new tab page, like wikipedia and youtube.

Any ideas on this? thank!!

When I type in Word 365 (Mozilla Firefox, 129.0.2 (64-bit)- snap for Ubuntu 24.04), using East European characters (e.g. š, č, ž), the text after the first such written character (see the first uploaded image) disappears after going to new line (pressing Enter or moving mouse to another line) (see the second uploaded image). It worked before on the Ubuntu 22.04 with manually installed firefox (not from snap) and is also working in Chrome.

I am unable to find the solution. I already installed additional fonts, I also created links to the installed fonts in $USER/snap/current/.local/share but nothing helps.

Has anyone encountered similar problem (and found a solution)?

Hello guys, as in title - I use custom NextDNS set of rules on DNS-over-HTTPS. As of today, Firefox can't connect to the provider. AFAIK Troubleshoot Mode is also affected. The other devices using NextDNS on my network work just fine and when I set the DNS to work system-wide as a kind of workaround, I don't get an issue. Same when I use other DNS-over-HTTPS options in the Firefox Preferences. Yesterday the problem didn't occur and I haven't performed any updates since yesterday - both Firefox and NetworkManager seem to be up to date.

Additional info: OS: EndeavourOS (Arch Linux) Firefox version: 129.0.2

If any other info is needed, I'll be happy to provide it to you.

I seem to have a problem with Firefox's builtin PDF viewer. Instead of black text on a white or gray background or something else sensible, I get black text floating over my desktop background in the part of the Firefox window that's showing a PDF. PDFs display fine in an external viewer, but that's just passing the buck, isn't it? Is there a way to fix this on Firefox?

I suspect hardware acceleration is the issue, but everything else seems fine, so I don't want to just blanket disable hardware acceleration. How can acceleration for PDFs alone be disabled?

How can I prevent the password manager popup from showing up? I don't like how Firefox just shows up all saved logins automatically every reload of `https://discord.com/channels/@me`.

I'm using Firefox in Ubuntu 22.04 LTS (snap version, so it's updated regularly) and I've been having this issue for months. I use Network pane heavily as aid to develop the backend portion of a web site with a JSON based API. Now and then I need to repeat an HTTP request, so I use the "Resend" option, and everything's fine except I'm unable to see the server response. "Size" column shows "0 B" and "Response" tab is empty. I'm positively sure the server cannot distinguish whether it's a brand new or resent request and does not send empty responses. It's something specific to XHR requests, regular requests are not affected. Troubleshoot Mode doesn't make any difference.

Is this a known issue or something that only happens to me?

Hello guys,

The trouble I ll present you might come a bit late, I've just never thought about asking on this forum (didn't even know that it exists lol) and I spent a lot time on tutorials trying to find the solution... lol 😩

My situation : I have a laptop with debian 12 stable. Early July, I updated my apps, Firefox 128 has just been released. Since the Firefox 128 update, I can no longer execute Firefox, I always get the pop up message :

Failed to execute child process (no such file or directory)

I've tried many times to uninstall & reinstall, purge & reinstall. Still the same "failed to execute... " message. all the subsequent updates (128.X and 129.X) haven't solved this problem...

On the other hand, Firefox ESR 128 works like a charm.

Is anyone in the same situation as me ? 😕

Wishing you a nice day :)

Sync is a nightmare. It is so unintuitive! What exactly would be wrong with having separate Export and Import buttons for each of Settings, Addons, Tabs, History, Bookmarks, etc? I have a desktop box and a newer laptop I wanted to get up to date. I pressed the Sync button on the desktop ... By the way, there`s a link below that reads "Connect another device" ... Connect where? Someone is designing these interfaces who has absolutely zero imagination. Anyways, I signed off, moved the ethernet cable to my laptop, signed in, pressed Sync, and voila!, I got my Bookmarks, at least. But I have no idea how to get my tabs and windows. I tried with a "download link" something or other, but it seemed to assume I was sync-ing to a phone, and didn`t work. Any way to get my tabs?

Hi!

I've been browsing the web looking for a way to access the browser's current profile name programmatically. I'm writing a little browser extension that should run code conditionally depending on what the current profile is. I'm wondering if there's any way to do this? The closest thing I found was runtime.getBrowserInfo() runtime.getBrowserInfo().

I've installed firefox with pacman on Linux, and I installed arkenfox. It did not work, I tried other user.js', none worked. I've also tried wiping my entire firefox root folder, then using arkenfox, but did not work.

Greetings,

Following a recent Ubuntu update from 20.04 to 22.04, Firefox 129.0.2 has started spamming my syslog with messages like:

[Parent 39719, IPC I/O Parent] WARNING: process 262891 is a zombie: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:245

These seem harmless, but I'd like to identify a way to suppress the warnings, because they're mucking up my syslog. Is there a setting in about:config that would do that? I see lots of log-related settings there set to Warn, but have no idea which one could silence the warnings I'm seeing. Any tips or suggestions are much appreciated!

Firefox is adding empty lines to the css file in web developer like so:

1. videoFiles {

 left: 0;
 z-index: 3;
 width: 250px;
 height: 40px;
 opacity: 0;
 cursor: pointer;

}

1. image_files {

 height: 40px;
 width: 250px;
 z-index: 3;
 opacity: 0;
 cursor: pointer;

}

.previewVid {

 width: 50%;
 padding: 10px;

}

Those empty lines are not in the css file and so it is reporting the wrong line numbers. So hard to find the correct line in the actual file.

Up until a few weeks ago, I could see and access Mobile Bookmarks (I sync these to my Firefox Desktop) using the Firefox Desktop browser from the Bookmarks drop-down menu in the topmost toolbar.

Now, I can no longer find Mobile Bookmarks in the Bookmarks drop-down menu.

I can still find it by choosing Manage Bookmarks and, in the resulting pop-up, I can see it in its regular location there. However, this is significantly less convenient as it requires me to juggle another window and perform more clicks.

Is it missing due to a bug? Does Mozilla intend to fix/address this?

Thank you in advance for any help.