Talk:Firefox/Tweaks

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Which section for tweak?

Where can I add browser.display.show_image_placeholders=false tweak? I find it useful. -- 20:05, 6 October 2012‎ Flu

Horizontal tabs

The userChrome.css tweaks described in this section don't seem to work anymore (FF55). Can anyone check back and update/remove the section? Iuno (talk) 01:16, 20 September 2017 (UTC)

Firefox Quantum

Some addons referred here have no plan to be ported to Firefox Quantum and should probably be moved to another area. Kewl (talk) 20:36, 28 November 2017 (UTC)

Remove full screen warning

I'm using Firefox stable version (61.0-1) and it doesn't show anything anymore when it goes to full screen.

{{J1simon (talk) 14:48, 20 March 2019 (UTC)|15:11, 27 June 2018‎|J1simon}}

Hide window border and title bar

This is natively supported in the latest versions of Firefox: https://www.omgubuntu.co.uk/2018/05/firefox-60-download

{{J1simon (talk) 14:55, 20 March 2019 (UTC)|15:11, 27 June 2018‎|J1simon}}

may require MOZ_GTK_TITLEBAR_DECORATION=client environment variableUbone (talk) 13:17, 6 July 2018 (UTC)
No, it doesn't need any environment variable: https://www.maketecheasier.com/enable-csd-support-firefox-for-linux/ and Firefox 66 will use CSD by default on Linux (https://www.omgubuntu.co.uk/2019/01/firefox-66-csd-by-default)
I think this content should be removed for outdated.
J1simon (talk) 14:55, 20 March 2019 (UTC)
Still required in 68 for Weston or maybe another WM. It's also needed to have the option to switch the Title Bar on/off. -- Ubone (talk) 15:17, 20 March 2019 (UTC)
Firefox' auto-detection of CSD support relies on XDG_CURRENT_DESKTOP being set correctly. On XFCE, it can be missing when launching through xfce4-session instead of startxfce4, but reasons for its absence might be different on other desktop environments. Their common point is, that it can be diagnosed by checking that environment variable, so I think it at least deserves a mention. As for MOZ_GTK_TITLEBAR_DECORATION, it still has a legitimate use when using a desktop environment that's not on Firefox' hard-coded list. -- rrika (talk) 13:18, 15 September 2019 (UTC)

Enable WebRender

This content should be clarified.

gfx.webrender.all = true only works on Firefox Nightly (https://mozillagfx.wordpress.com/2019/01/17/webrender-newsletter-36/)


To enable WebRender on Firefox Stable the process is different (https://wiki.mozilla.org/Platform/GFX/Quantum_Render#Testing).

These environment variables have to be created:

MOZ_ACCELERATED=1 
MOZ_WEBRENDER=1

and (https://bugzilla.mozilla.org/show_bug.cgi?id=1511726#c6) :

echo 'pref("gfx.webrender.program-binary", true);' >>$HOME/.mozilla/firefox/<default-profile>/user.js
echo 'pref("gfx.webrender.program-binary-disk", true);' >>$HOME/.mozilla/firefox/<default-profile>//user.js

J1simon (talk) 15:16, 20 March 2019 (UTC)