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My page throws errors in Firefox Nightly such as

Expected color but found ‘undefined’. Error in parsing value for ‘background-color’. Declaration dropped. preview.htm:1:1

and

Expected color but found ‘undefined’. Error in parsing value for ‘color’. Declaration dropped. preview.htm:1:1

The page references ten CSS files besides having dozens of its own CSS declarations. The issue is tha the reference provided to the error (:1:1) does not indicate where I can find the error. That is, I don't know which declaration is at fault. Is there some straighforward way to find the declaration in question?

Out of nowhere I got the sidebar today. An absolutely useless feature that I surely did not ask for. And there is no way of closing or removing it. Please provide a guide, to removing or hiding it PERMANENTLY!

Hello, I just updated my browser to version 133.0 and there was a pop up window that showed something about a review checker. I click on the link and read all about it. On a amazon web page I clicked on a review but did not see the price tag icon anywhere. I looked at my settings and could not find anything relating to the review checker. Is there something I need to enable or disable in the settings? Any help would be very much appreciated. Thanks, Rico

Hallo und guten Tag,

ich habe für Windows [PC] und Android [Pixel 8pro] jeweils die beiden aktuellsten Versionen von 'Thunderbird x64'und 'Thunderbird: Free Your Inbox' installiert und eingerichtet. Es sind zwei E-Mail-Konten mit jeweils einer Alias-Adresse eingerichtet, alles unter GMX.NET , IMAP+SMTP sind ebenfalls aktiviert [IMAP port993 und SMTP port465]. Leider bekomme ich es nicht so eingerichtet, daß Mails wenn sie am PC oder am Pixel empfangen und verschoben oder gelöscht oder als Spam markiert sind, daß dieses dann auch am jeweils anderen Endgerät so erscheint. Es werden immer wieder alle Mails neu als eingegangene Nachrichten gezeigt und ich muß dann am jeweils anderen Endgerät die gleichen Aktionen vornehmen.

Wo liegt der Fehler, was muß ich tun um das Problem zu beheben.

I am currently using Microsoft Edge and am looking for a new browser to use. I went through the trouble twice now in setting up Firefox the way I want to work and for it to open certain bookmarks every time I open it. But 2 times now I have closed Firefox and reopened it and each time it not only fails to open the bookmarks I have setup, it also loses the other settings I setup and acts like I am setting it up for the first time. If I can't get this problem fixed I guess I will start looking at other browsers.

Thanks, Mark

Since 113 I have had tabs BELOW the Bookmarks toolbar i.e. at the top of the "blank" screen area.

133 has now regressed my setup, back to having tabs above the address bar. This is a bad move, as it means that once again the screen content of a tab is separated from the tab by two bars, Address and Bookmarks.

Can anyone point me to a setting or a userChrome code block that will put the tabs below the Bookmarks bar, as the css now no longer works as it stands on 133?

I'm happy to set the sidebar to vertical tabs since I can get the maximum browser area, but there's one annoying issue: there's no close button in the vertical tabs, I have to right click and tab and select close the tab

the close button shows when I change back to Horizontal tabs, hope development team can improve it soon.

I am using FF on Debain 12 and have downloaded 131.0.3.tar.br2 sha256: fcd1e93221074a7b44445a99d81ea26e95fdc4c7e67000e748dab93cb12c2a13 I then did an update from the FF itself which brought me up to version 132.02 and I noticed that the container tab was missing.

Another Debain 12 workstation running 131.0.3 has the contain tab option.

Has the container tab been removed?

How do I turn this odd feature that dims FF bars when window loses focus? As of look of it only tabbar and toolbar are affected. I couldn't find anything relevant under "about:config". Also some tricks with CSS didn't work for me, maybe because I have custom chromeCSS that brings tabbar under bookmarksbar and applies other customization so that FF window looks like old good FF before they started to put everything on a single line in the bar. Thanks in advance.

Dear Mozilla Support Team,

I am working on configuring Microsoft Intune for organization and need to manage specific settings for Firefox via Custom CSP policies. However, I could not locate the necessary OMA-URI details for the following Firefox settings:

Advanced Options: Check my spelling as I type Advanced Options: Preference State Advanced Options: Use AutoScroll Advanced Options: Use Smooth Scrolling Disable XPI Installs These settings are crucial for maintaining compliance and ensuring a smooth user experience within our managed environments. Could you please provide:

1. The exact OMA-URI paths or equivalent policies for these settings? 2. Additional documentation or resources related to Firefox Enterprise policies for Intune?

Hello:

Using Thunderbird for years. But please, for the love of God, someone tell me *why* Global Filters / Unified Inbox filters are not allowed? I've got 10-15 accounts, and I'm forced to refine/recreate my rules for each account?

Why? Why? Why? Why?

This is not a small thing, yet seems like such a common request. Please make this change/addition!

Thank you.