Firefox Delete Edit

Internals

about:config
about:networking

Chrome like behaviour for opening tabs from bookmarkbar

https://www.reddit.com/r/firefox/comments/10c5v35/middle_mouse_button_click_on_bookmarks/

browser.bookmarks.openInTabClosesMenu = false
browser.tabs.loadBookmarksInBackground = true

Remove annoying fullscreen transition

https://support.mozilla.org/en-US/questions/1092730

full-screen-api.transition-duration.enter: "0 0"
full-screen-api.transition-duration.leave: "0 0" 

Remove annoying “Is now fullscreen” popup

full-screen-api.warning.timeout 0

Disable Punycode chars in urls and show them as

network.IDN_show_punycode = true

Linux Video Accel

media.ffmpeg.vaapi.enabled 1

Disable annoying auto https redirect

https://bugzilla.mozilla.org/show_bug.cgi?id=1679249

browser.urlbar.autofill => false
network.stricttransportsecurity.preloadlist => false
browser.fixup.fallback-to-https => false

Disable one word search so we can resolve singleword with our DNS suffix (Warning: this will slow down single word websearch)

browser.fixup.dns_first_for_single_words

If using LibreWolf and you want new windows to open maximized, disable fingerprint resisting in about:config

privacy.resistFingerprinting => false

Unconfirmed font rendering change

gfx.font_rendering.cleartype_params.force_gdi_classic_for_families CLEAR THIS

v111 defaults

Arial,Consolas,Courier New,Microsoft Sans Serif,Segoe UI,Tahoma,Trebuchet MS,Verdana

Don’t know if these should me messed with, for now they are here for reference:

browser.ml.enable
browser.ml.chat.enabled
browser.ml.linkPreview.enabled
extensions.ml.enabled
browser.tabs.groups.smart.enabled
browser.tabs.groups.smart.userEnabled
browser.ml.chat.page.footerBadge
browser.ml.chat.page.menuBadge
browser.ml.chat.shortcuts
browser.ml.chat.shortcuts.custom
browser.ml.chat.sidebar
browser.ml.checkForMemory
browser.ml.linkPreview.shift

There might be a bug in the http3 stuff at this moment 23-12-2025 (slow load times)

network.http.http3.enable