this post was submitted on 14 Jul 2024
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Privacy
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Its better to just go through the settings yourself then rely on arkenfox. This just adds a middleman into the process of keeping your settings updated.
Have you seen the user.js, you have to change a lot of settings and you cannot keep up to date with them, secondly Arkenfox prefers you to go over their user.js by your self and their updater script has the -c flag to show you the difference between current user.js and new user.js
Overall it would be very difficult to manage something like this on our own as most things are not visible on the settings page of Firefox
In addition, if you use user.js then you essentially cannot change those settings at runtime (via about:config or otherwise), because your user.js will override the settings on next startup. Maybe that's desired for some, but good to keep in mind nonetheless.
There's the provided user-overrides.js that's meant to do this
I don't think that could work. Not unless we are talking about different things, or unless you run their updater script everytime before starting Firefox.
If you use user-overrides.js, it adds your custom preferences at the bottom of the user.js, as the prefs are read from top to bottom, if a new duplicate exist in your user-overrides.js but with a different value the new value would be used as it is at the bottom.
Yes, but that is not what I'm talking about. What I mean is that when Firefox is running and you go to change some setting in say, Settings page, then the new value for that preference is stored into prefs.js (at latest on Firefox shutdown, it might remain only in-memory for some time I'm not sure). Anyway, the new value persists only for that browser session, because on next startup whatever value was set by user.js will override it.
Have you independently confirmed this?
What is preventing
user.jsfrom doing exactly what you're describing right now on your system?Sure. For simplified example have only the following in your
user.jsfile:Confirm before closing multiple tabsis checkedbrowser.tabs.warnOnCloseis now falsetrueThe reason is also very simple. Firefox will never write anything to
user.js- thus any changes you do at runtime will only be stored toprefs.js. However,user.jsalways overridesprefs.jsat startup.Understood, thanks. So on a clean install, I'm assuming
user.jsis either empty or missing, correct?Yes. Firefox doesn't create user.js file itself - if you want one then you need to create it yourself either manually or with some tool. Also, I've seen some "security" software create user.js file without notifying the user about it...
That is not how Arkenfox works. You apply the patch using the script, and then re-run this patch everytime Arkenfox receives an update. In between running, you can change settings in about:config and settings, but it will be overwritten if a different value is included in the user.js. A more permanent solution is using the user-overrides.js file required by the script before patching to create a persistent config.
Something like: user_prefs("privacy.resistFingerprinting.letterboxing" , "false");
More details about user overrides can be found here.
What I'm trying to point out here, is that prefs declared in user.js (whether they are put there using scripting or otherwise) cannot be persistently modified at runtime from within Firefox. That may or may not be a huge problem, but something to be aware of.
Yes, I understand. I am pretty sure that is incorrect. With an Arkenfox profile, I have modified my prefs in about:config and retained those changes persistently.
You can modify prefs at runtime and have them persist - except those prefs that are also declared in user.js. The problem arises when folks apply whole list of prefs via user.js from one repository or another, which could be hundreds, without acknowledging what prefs they set and without checking what those prefs do. If they then have some reason to change any one of those prefs - their change won't persist if that particular pref is in user.js
A thing you could do is to just start Firefox once with a user.js file, and then remove that file. On that single startup Firefox sets prefs according to user.js, and all those changes persist to prefs.js when Firefox is shutdown. You are then able to also persist changes to all prefs because by removing user.js Firefox won't try to override the your session saved prefs with user.js at startup.
I have independently tested you can change settings before. I will test again tomorrow if I remember to.
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