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Updated to Firefox 152.0.1 and I've noticed about:privatebrowsing now has a very bright garish (subjective) purple background; I'd like to replace this with something else.

Here's what I've tried so far:

• Adding the css in this 2023 reddit post to my userchrome.css
• Fiddling with about:config, per Ty and James' replies in this similar 2022 question
• As a sanity check, directly editing the style element of the body tag in the inspector to check if `background-color: #424242` the css works. (obviously doesn't stick, see first point)
• As a second sanity check, changing the colour in the userchrome.css to fuchsia, as I'd read in older articles there'd sometimes be a flash of colour before something else was applied and bright pink is easier to see than grey
• Changing the Firefox theme from System theme (Auto) to Dark, Light, and then Firefox Alpenglow to see if that would change the background colour (it doesn't).

I do see that Alpenglow theme now matches about:privatebrowsing shockingly well, but it's not my preferred flavour of utilitarian blacks/dark greys.

Tried to show what I'm after, screenshot of about:privatebrowsing in a split view next to about:newtab. Other than above, the only other things in my userchrome.css are some styles to attempt to return curvy tabs edges.

For some scrollables, v153 doesn't respect the Mac OS setting to hide scrollbars unless scrolling on page load. If that OS setting is adjusted after the page is loaded, then the page respects it again until refresh, so there's apparently some sort of race condition going on where it's not reading the setting in time before the page loads?

This is not a problem in v152. I downgraded back to v152 and it's working again.

With the latest updates, my Firefox window has no way to minimize/resize/close the window. (There are also no tabs/bookmarks) I see nothing in the settings options that seems relevant.

Using Windows 11 on Lenovo laptop, Firefox 152.0.5

When uploading a file to attach to another app...the upload window opens up in dark mode. I don't like this and I did not change anything but it happens repeatedly. i have checked all options in settings to make sure the light mode is checked. Why is this happening. i did not change anything. Please advise. Thanks

I came to know about Firefox Widgets but can't see any on Firefox 152 on Windows 11 desktop. The option Allow Firefox to improve features, performance and stability between updates is already checked (Screenshot attached) as suggested by users.

Firefox will often display itself in light mode when dark mode is active. Rarely the opposite though.

It happens randomly as far as I can tell, but maybe there's a pattern to it somehow, perhaps regarding doze mode?

Would love to know if I'm not the only one, and maybe if there's a way to fix it, or there's a bug report for it already that we can follow for updates.

Hello. 😊 I have a question about my copy of Firefox for Windows v152.0.6 x64. (For the record, I have nasty feeling that I'm using the wrong forum; but the address bar says I'm in the right one.)

In my main profile, the one that I have been using for years, the "Home and Startup" part of my settings page shows the following:

- Firefox Home

 - Search
 - **Weather**
 - Shortcut
 - Support Firefox
 - Recent Activity
   - Visited pages
   - Bookmarks
   - Most recent download
   - [Choose a wallpaper]
 - Firefox logo

Today, I went to about:profiles and created a new profile. This new profile offers different settings:

- Firefox Home

 - Search
 - **Widgets**
   - **Lists**
   - **Timer**
   - **Sports**
   - **Clock**
   - **Weather**
 - Shortcuts
 - Support Firefox
 - Recent Activity
   - Visited pages
   - Bookmarks
   - Most recent download
   - [Choose a wallpaper]
 - Firefox logo

That's strange, isn't it? Why the difference? And how can get all the goodies of the new profile under my old profile?