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border around every page

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  • 1 has this problem
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  • Last reply by someon3

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Upon upgrading Firefox to v67.0.1 (Arch Linux Package), I get borders around all web pages I open. This does not happen on the "Firefox Home" page. The border is purple because I am in "Private Browsing Mode". I don't know what's causing this, I've looked around a bit, but have neither found a solution nor a post describing a similar problem. This does not happen when using Firefox v66.0.5. Till now, I've stayed on v66.0.5.

Thanks in advance.

Upon upgrading Firefox to v67.0.1 (Arch Linux Package), I get borders around all web pages I open. This does not happen on the "Firefox Home" page. The border is purple because I am in "Private Browsing Mode". I don't know what's causing this, I've looked around a bit, but have neither found a solution nor a post describing a similar problem. This does not happen when using Firefox v66.0.5. Till now, I've stayed on v66.0.5. Thanks in advance.

Chosen solution

Nevermind, fixed it myself.

user_pref("privacy.resistFingerprinting.letterboxing", true) was the culprit.

However, during my testing, Firefox somehow deemed it approriate to 'coerce' me into creating a new profile, because otherwise it wouldn't startup. Luckily, I had backed up some data beforehand, because I was kind of suspecting something like this would happen ( https://blog.fefe.de/?ts=a24001c4 ). BUT what the actual f*ck Mozilla? Why do you need to """improve""" Firefox with """features""" like this? And no, I don't want to use your botnet sync service! The same is true for Pocket and "Send" or whatever that crap is called, which, by the way, has absolutely nothing to do with a web browser. There's other (and better) software for that, you don't need to reinvent the wheel, especially when you're whining that bad bad Google is overtaking the browser market (which it quite frankly is, I'd have to agree), but what are YOU doing to 'combat' this matter which you are describing as so urgent? Releasing software that no one really asked for (and frankly for which there are better alternatives)?! I just don't get it...

Whatever, this is just an internet forum...

Thanks anyways, I was probably a bit too harsh, lol.

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(image upload somehow didn't work...)

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Chosen Solution

Nevermind, fixed it myself.

user_pref("privacy.resistFingerprinting.letterboxing", true) was the culprit.

However, during my testing, Firefox somehow deemed it approriate to 'coerce' me into creating a new profile, because otherwise it wouldn't startup. Luckily, I had backed up some data beforehand, because I was kind of suspecting something like this would happen ( https://blog.fefe.de/?ts=a24001c4 ). BUT what the actual f*ck Mozilla? Why do you need to """improve""" Firefox with """features""" like this? And no, I don't want to use your botnet sync service! The same is true for Pocket and "Send" or whatever that crap is called, which, by the way, has absolutely nothing to do with a web browser. There's other (and better) software for that, you don't need to reinvent the wheel, especially when you're whining that bad bad Google is overtaking the browser market (which it quite frankly is, I'd have to agree), but what are YOU doing to 'combat' this matter which you are describing as so urgent? Releasing software that no one really asked for (and frankly for which there are better alternatives)?! I just don't get it...

Whatever, this is just an internet forum...

Thanks anyways, I was probably a bit too harsh, lol.

Modified by someon3