[tor-talk] Grey Borders / Viewbox in tor

[Georg Koppen]

Andreas Krey:
> On Tue, 05 Nov 2019 12:34:39 +0000, Jan wrote:
>> Hello folks,
>>
>> I'm using tor browser 9.0. Recently (since the last update?) a grey
>> border appears when maximising the window.
> 
> Or when resizing to anything that is not a multiple of 100px in either
> dimension, 200px when over 1600px.
> 
> Try with this: https://apk.li/ws (static page, displays windows.outer
> and .inner sizes, obviously requires javascript).
> 
>> That's a bit annoying, since a fair share of my screen is not used for
>> displaying the web page.
> 
> It indeed is on my laptop where I lose more that 10% of screen estate,
> and it's not big to begin with.
> 
> It's also annoying on the big screen when you work with night mode
> pages in fullscreen, and get a big glaring border around that.
> (Or youtube, for that matter.)

That's actually #32220 and will be fixed in the upcoming alpha and soon
in the stable series.

> And in my case, a size of 1800x1800 stands out exactly as much as
> 1920 x 1857 (maximized firefox) - the anonymity seems to be
> basically the same.
> 
>> Is there a way to disable this border?
> 
> I didn't find anything in about:config.
> 
> Would be help a lot, even if only in about:config - there are many pages
> where I care for location anonymity, but they know me anyway (login).

`privacy.resistFingerprinting.letterboxing` is probably what you want.

Georg

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