Questions tagged [firefox-57]
Firefox 57 is a major update of Mozilla Firefox, released in 2017, known for a new parsing engine and extensions system. It is also styled "Firefox Quantum" in marketing materials.
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How to hide tab bar (tabstrip) in Firefox 57+ Quantum
How to hide/disable/remove the tab bar in Firefox 57+ ("Quantum")?
The goal is to just hide the tab bar totally. Useful if paired with extensions like "Tree Style Tab".
Note: there ...
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How can I downgrade Firefox?
I let Firefox auto update and I don't like some new feature, the new GUI, or it broke something. How do I roll back or downgrade?
NOTE: Potential duplicate questions (1, 2) did not come up in a ...
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Is Firefox 57 multithreaded?
According to Multiprocess Firefox on MDN, Firefox 57 finally runs things in different processes.
So is Firefox 57 multithreaded?
In particular, how many cores does it use at most? Say I open 20 tabs ...
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Firefox Quantum (>=57) How to toggle all toolbars? (with a keyboard shortcut, like F11 but in a window, not fullscreen)
F11/Fullscreen is sometimes impractical*. I just want to toggle the toolbars.
In older Firefox versions this was possible with the addon "Dorando keyconfig":
1. specify a script:
var s = document....
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How to change the default local storage settings in Firefox?
In Firefox 57, when I open a website, and check its permissions I can see a long list:
I want to change these two default settings:
Maintain offline storage
Store Data in Persistant Storage
(not ...