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I updated my desktop browser today and now there is an expandable sidebar at the left margin of the window showing tool icons for Tabs from other devices, History and Customize sidebar. I can see how to remove tool icons and how to expand or collapse sidebar but can I remove the sidebar completely? Is this an option? I prefer the old look with the browser web page content extending all the way to the left of the screen, without the narrow vertical sidebar.

The bookmarks icons and fonts are too small for my older eyes on my new Ubuntu computer. They are bigger on my older Ubuntu computer. I have tried to find out how to enlarge them without sussex.

I am aware of the Zoom feature for a webpage itself, I am not asking about that. I simply want to have my bookmark toolbar FONTS and ICONS larger.

This has been frustrating. Perhaps including an EASY way to do this for future updates, or an app suggestion that would solve the problem. Thanks for your consideration and (hopefully) help.

A sidebar has appeared out of nowhere. I removed all extension on that sidebar and it still doesn't go away. I already have a bookmark bar and extensions at the top bar. I don't want another sidebar at every firefox window. How do I remove the sidebar, please.

I'm visually impaired and had originally used a CSS code to fix this problem, but that was a couple of years ago. I just upgraded to 131.0.3 (64 bit) and evidently, that wiped out all my CSS changes. I tried to use the about:config code to change it, but it no longer works. I managed to increase the icon size a little by changing the density to normal, then back to compact. Even on normal, it was all too small.

I don't want to use another profile, because every time I do, I lose so much that it takes me hours to reinstall it all.

Is there an easier way to do this? I've tried a couple of things suggested online, but they were old settings suggestions, and they no longer work either.

ALSO, I now have to use F11 full screen to be able to perform anything on the toolbars. Before this update, I could just move my cursor up to bring the toolbars down, and use the back arrow or refresh easily. Now, the toolbars immediately go back up and I have to use F11 to do anything. How do I fix this?

TIA for any help you can give me.

Hello Firefox friends o/

Anyone knows how do I make https://yandex.com my default search engine? (in the top bar of the browser). I have attached a screenshot of my settings page. Please have a look at the suspicious lack of an "Add" button 🤔. Despite my efforts, the drop-down menu will not show the available options in the screenshot, you will have to take my word for it, the only available options in that menu are: Google, Bing, DuckDuckGo, eBay and Wikipedia (en).

P.S. The settings page in Firefox must change really often, as I seen so many people suggesting many outdated methods online.

I updated to version 133 today and was confronted with the vertical tab bar. I did not ask for this or want it, and now I can't get rid of the side bar, in fact I seem to have just made it worse / wider. How can I get rid of this (and block it) It is just taling up space on my screen. Please help.

I am a bit confused about how to keep updating FF on my Windows 7 PC, given that after March my current version (115.17.0esr) may not work as intended. Until now I've always updated manually by downloading a small 343KB installer file that updated FF without changing any of my settings, logins and bookmarks. Hoping to simplify updating, today I set updates to "Automatically install updates (recommended)" with sub-option "When Firefox is not running". But just now a FF notification informed me it was unable to update automatically and provided a link to https://www.mozilla.org/en-GB/firefox/enterprise/?reason=manual-update. From the dropdown there I chose "Windows 64-bit" > "Firefox Extended Support Release (ESR)". The download is a 64MB file.

Since this seems to be a new installation and not a simple update, can I be sure it won't overwrite my current version and leave me without settings, logins and bookmarks?

Hello. In the past two days I lose my tabs when I shut down Firefox. I used to be fine using the X at the top right and when I restarted the browser, all my tabs would still be there. Then they started going missing, so I started using the menu option to exit the browser. The tabs still went missing.

Then I noticed the square icon button on the extreme left and have discovered that Firefox has different windows, and that one of them (see attached image) has all my tabs in it, while the current window does not.

I cannot change Window 2 to be the current window. There is no obvious function on the page, nothing in settings and google is useless - I just get pages of discussion of how to tab between different apps on the desktop.

How do I make Window 2 the current window? See image.

Thank you

I just updated Firefox to version 135.0 on my mobile and now I get this really annoying thing:

Everytime I open a tab to go on the YouTube website, it asks me if I want to leave Firefox and use the YouTube app. Every single time. And it even launched it once without asking me.

I don't want to use the YouTube app, how can I make this stop?

Have a good day!

I had a background image for the new tab page that has suddenly stopped working, it just displays a white screen. I clicked the 'reset to default' button next to 'Wallpapers' on the new tab page to try to fix the problem but nothing happens. No wallpapers show up under that section either where it used to be when it was working. I've restarted Firefox and the same thing happens. I have not enabled any third party CSS wallpaper.

Apart from that, everything else is working as it should. I'm sort of a computer-idiot so if anyone could please use layman's terms it would be very much appreciated!

The other day I accidentally pressed a keystroke that changed a Firefox setting, and now it thinks I'm on a mobile device/displays sites in mobile view where possible by default. This has persisted despite restarts of the browser and the computer and has been happening since Sunday (Australian time). I've tried opening the Responsive Design dev tool and I've sent screenshots to a techsavvy friend (I'm totally blind and use a screen-reader, so couldn't tell this was happening until I tried to use a site that had a radically different layout in mobile view), and aside from not seeing an exit button or a switch to change device mode, he couldn't tell what was going on.

I'm stuck and need help! I would like to unmobile my Firefox!

I prefer the tabs be below the bookmark bar, and successfully modified the CSS file to do this some time back. Now update 133 has once again pushed them up below the menu bar. What do I have to do to get them back where I want them this time? And why can't you just leave the tab location preference alone when doing updates?

Taskbar icon does not indicate when new mail has arrived. Does not show a count of new/unread messages. 128.3.2 Windows 11

In settings "incoming mail" icon options I have chosen "show count of new emails" and "show a tray icon for unread messages is checked".

I am unable to tell at a glance if new email has arrived. I see from researching the KB I'm not the only to have this issue, but none of the settings seem to help.

Hi, my firefox appears to be missing its navigation/toolbar. I only have a single bottom bar for the address bar, home, tab and the three dots. I would like to have the back, forward button, bookmarks to be pinned on the toolbar area. I try to use the Secret Setting but it does not have the option to enable toolbar. I have included two screenshots, the orange circle depicting my current situation. I would like to have something similar to the toolbar (Samsung Internet Browser) in the other screenshot with teal circle.

Hello, I have enabled the Thunderbird dark mode. My expectation was that all messages in the message list are displayed in white on a dark background.

Unfortunately, the message list often uses a black font on a dark background.

I changed the color in the message pane using settings --> Colour

I followed the instructions/workarounds here for using dark theme, including reset and troubleshoot mode. https://support.mozilla.org/sv/questions/1439922

But it did not help. Maybe you guys can help.

Regards George

Firefox Android on an older Sony Xperia Android Tab (2016) still receiving Firefox updates, would you believe it, cannot access about:config page -- and yes it's about:config I'm attempting to access. Firefox adress bar icon displays site warning and freezes the page load whatever setting i try in Firefox settings.

No antimalware or such nonsense used on the device, just as fake in protecting my privacy as (foreign) gov.-sponsored whitelabel antimalware and privacy search engines -- remembering the recent Bing API-blackout that displayed a Bing search engine error message in all of the so called's etc etc

I'm not logged in on the device, as in not syncing an access all home living room device in any way. I don't need a breadcrum trail of other users leading to my accounts.

So what am I after? I don't want a stored cache of recently visited pages that apparently hog the limited memory and I want to limit the amount of 'recently visited pages'-cache stored in Firefox on Android. I want Firefox to be *pristine (beyond the moniker settings available as 'clear all' at Firefox close) each time a user picks up the tab. So, there's one or two settings under about:config limiting the recently visited pages cache to the latest visited only after closing Firefox -- lowest setting available (?) is 0, but hey, that's life.

Hello, "desktop view" is very useful, and I use it for LinkedIn because the "mobile mode" is shitty (I guess to make/force people to install the proprietary and closed source LinkedIn app).

I found that "desktop view" is stopping working while activated, when you always keep a tab opened for days... I have to close the tab and open a new one to make "desktop view" working again.

I found too that "open in a new tab" action is not inheriting the view mode of the parent tab and that an issue when browsing the same website.

Could it be possible to have "desktop view" enable by default based on visited website?

Well looks like they did it to us again. My tabs are back on top again and need to put them below where I am a lot of other users like our tabs!

Update: Codes working fine now for 133.0

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!