Questions tagged [firefox-quantum]
For questions specific to Firefox Quantum. Use [firefox] instead for questions involving Firefox in general.
55
questions
1
vote
1
answer
108
views
Firefox: how to copy URLs to clipboard with parenthesis as encoded characters, e.g. '(' as '%28' and ')' as '%29'?
I am using Firefox 119.0 (64-bit) on Fedora 38. I would like to be able to copy a links that contain parenthesis to clipboard from the address bar with them as encoded. For example, when copying the ...
4
votes
1
answer
2k
views
Automate a periodical "Minimize Memory usage" on Firefox
During many years using Firefox and forks and I've realized that sometimes Firefox gets slow and sometimes unresponsive.
Workaround, going to about:memory, and clicking on "Measure" button ...
0
votes
1
answer
191
views
How to Set A secondary Debugging software in Windows 10 TaskManager Debug
I would like to know if there is a way to add a secondary
debugging software, to the right click context menu
of the TaskManager, Prefferably SublimeText Editor 3,
or any other similar software, ...
1
vote
1
answer
460
views
Programmatically close all tabs in Firefox Quantum
1. Summary
I can't find, how I can close all tabs in Firefox Quantum without any manual mouse clicks.
2. Details
(Details for preventing XY Problem)
I am working on several projects. I need always ...
0
votes
1
answer
90
views
Meaning of the notification Firefox seems slow to start?
Hi Firefox experts,
When launching Firefox, it sometimes displays at the bottom a
notification saying "Mozilla Firefox seems slow... to... start."
Is this an official notification type within ...
1
vote
1
answer
318
views
Firefox v73.0b1 about:config stopped supporting filtering in address bar
Before version 73.0b1 it was possible to filter about:config by entering in address bar:
about:config?filter=browser
After latest update to 73.0b1 this does not work any more. No preferences shown ...
0
votes
1
answer
38
views
how to use ctrl + 1 to switch to previous tab in firefox?
I'm using firefox 71 in mac os, i'd like to use ctrl+1 to switch to previous tab rather than command+shift+tab, how to achieve this?
i tried an add-on called custom key but not working,
i also tried ...
4
votes
1
answer
572
views
How to stop Firefox searching Amazon and other "Top Sites"
Today I discovered a Firefox feature that allows you to search within particular sites by prepending the search term with an @:
This seems like an implementation of the similar Chrome behaviour, ...
0
votes
1
answer
537
views
How to import passwords from FF profile into another profile w/o overwriting files/existing passwords
Situation
Set up a new workstation. I did not continue the old OS (Windows) installation, but instead started fresh.
Now, I want to import the passwords from the old profile into the new one on the ...
1
vote
0
answers
161
views
Is there an extension to quickly clear / flush / invalidate the Firefox DNS cache (Quantum)
There used to be several DNS flushing add-ons prior to Firefox Quantum. Are any currently available? Is this no longer something that's accessible through the addon API?
Yes, I realize that I can do ...
1
vote
0
answers
293
views
Change the font of Reader, Firefox 57
This look like a duplicate of How to change font of Reader View firefox? but none of the answers there work since Firefox Quantum
All points to userContent.css but none worked.
use @-moz-document ...
2
votes
1
answer
80
views
after upgrade, Firefox 60 does not show checkbox on website
I have upgraded Firefox to Firefox Quantum 60.7.0-esr.
The new Firefox version does not show checkbox on a particular website:
for comparison, here is a correctly displayed website in Chromium:
The ...
1
vote
1
answer
149
views
FIrefox is not rendering correctly webpages and messes with their styling
I have the default theme on Firefox 66.0.2 for Linux Mint. I have noticed that most pages don't show up as they should or as, for example, they show in Chromium.
Is this something widespread, and ...
2
votes
1
answer
139
views
Edit Firefox multi container configuration
I have several containers configured on my Firefox and I have been using for a while, so container have information associated.
However, sometimes I was not very focused and I used the wrong one for ...
0
votes
1
answer
441
views
Firefox has no back button after selecing Google search results
I'm using a friends computer today. When you select any link in the Google search results it opens the link, in the same tab, but the Firefox browser's back button is grey. I checked the history, and ...
1
vote
1
answer
956
views
Enable testing of native pinch to zoom in Firefox
By reading this bugzilla issue I get the impression that I should be able to test the upcoming native pinch to zoom feature in Firefox by setting mousewheel.with_alt.action to 5 in about:config, but I ...
0
votes
1
answer
210
views
Not able to run 'Firefox Quantum 63.0 (64-bit)' and 'Firefox Developer Edition 64.0b4 (64-bit)' at the same time on Windows 10 Home Single Language OS [duplicate]
I've a laptop on which Windows 10 Home Single Language 64-bit Operating System is installed.
I've installed the web browser 'Firefox Quantum 63.0 (64-bit)' on this laptop.
Then, I installed the web ...
8
votes
2
answers
5k
views
How to bring back "Save and Quit" feature in Firefox 63+?
I've always enabled the browser.showQuitWarning feature in Firefox so I can choose to keep the tabs or not when I close the browser
However last week my Firefox updated to the version 63 and suddenly ...
17
votes
4
answers
4k
views
Is disabling updates really the only way to stop Firefox's "Restart required" on opening a new tab?
Firefox's (seemingly new in 63.0 but maybe I've been lucky until now) background/running updates are causing me problems as I suddenly get "Restart Required" when I open a new tab. FF claims it will ...
2
votes
1
answer
5k
views
How to stop web site navigation hover pop-ups in browser
I've run into an annoying type of pop-up and can't figure out how to suppress it. The problem is links at certain sites related to web site navigation that activate when you hover on them. It ...
1
vote
1
answer
107
views
Firefox: Remove all files from cache except images
When the Firefox browser closes, I have configured it to clear everything except cache so that images load quickly on the next run.
However when I checked C:\Users\jacobgu\AppData\Local\Mozilla\...
0
votes
0
answers
642
views
Firefox opens a filetype (textfiles, txt) incorrectly
My Firefox (Quantum on Windows 7) keeps opening text files (with .txt suffix) in the browser, despite having set it to always ask for text documents in Settings -> General -> Applications. The ...
1
vote
0
answers
228
views
Workaround for changing hotkeys in Firefox Quantum
Currently there is no "supported way" to change the keyboard shortcuts for FF 57+ (see this reddit.com post for further information). I was wondering if anyone found/knows a good workaround to assign ...
5
votes
2
answers
4k
views
How to change color of a tab in Firefox Quantum?
I'm trying to change the color of one or more tabs (not necessarily the one that is currently selected). At least the color needs to be in the area where the tab title is displayed, not sure what this ...
1
vote
1
answer
8k
views
Firefox Quantum - Kiosk Mode
I currently use this method to emulate chrome's kiosk-mode in Firefox Quantum on Windows 10:
Install Firefox Quantum
Install AddOn AutoFullscreen
in Firefox's address-bar, type about:config and set ...
25
votes
2
answers
17k
views
How to merge 2 windows in Firefox
How can i merge 2 windows in Firefox Quantum, i.e. move all tabs of these 2 windows to 1 window?
I have many Firefox windows open and want to merge 2 of them. So far Web searches merely turn up ...
4
votes
1
answer
1k
views
Minimum tab width in Firefox Quantum
Firefox Quantum changed the minimum width of Tabs, previous versions of Firefox had it set to a greater value.
(*minimum tab width - when you have a lot of open tabs they shrink to some predefined ...
1
vote
1
answer
634
views
.tabbrowser-tab[unread], background-image: linear-gradient not working in userChrome.css
I had this working before but now it stopped working. I have some code in my userChrome.css to create a small grey triangle in the top right corner of an unread tab.
/* Mark new and unread tabs */
....
1
vote
0
answers
40
views
Touch issues in Firefox Quantum
In Firefox 56.0.2 and before, it is really easy to copy texts and drag pictures (and save them) simply by moving across your finger on the screen; a simple double touch on a word on the box of google ...
0
votes
2
answers
169
views
Ebay doesn't work with tree style tab & imagus in Firefox
There are couple of things, both happened at the same time so I think they're related, ebays favicon stopped displaying in Tree Style Tab and imagus stopped working on ebay. Icon shows normally in ...