[tbb-bugs] #30625 [Applications/Tor Browser]: (without toolbar) the window size is not exact multiple of 100 pixels

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon May 27 14:42:25 UTC 2019

#30625: (without toolbar) the window size is not exact multiple of 100 pixels
 Reporter:  Rick                           |          Owner:  tbb-team
     Type:  defect                         |         Status:  new
 Priority:  Medium                         |      Milestone:
Component:  Applications/Tor Browser       |        Version:
 Severity:  Normal                         |     Resolution:
 Keywords:  tbb-fingerprinting-resolution  |  Actual Points:
Parent ID:                                 |         Points:
 Reviewer:                                 |        Sponsor:

Comment (by Thorin):

 I'm not sure if these few pixel issues will ever get sorted. The good news
 is that in 9.* there is a feature called `letterboxing` which solves a lot
 of problems. It means any changes to the chrome (such as maximizing, going
 fullscreen, toggling on sidebar/toolbars/menubar, etc) will no longer
 cause issues

 The pref is currently hidden in TB9, it is
 `privacy.resistFingerprinting.letterboxing`, you create it (boolean) and
 set to `true`. Try it in your 9.0a1. Open the browser, load a web page.
 You'll see what I'm talking about. It currently steps in 200w by 100h

 Or load
 https://ghacksuserjs.github.io/TorZillaPrint/TorZillaPrint.html#screen and
 as you resize keep an eye on the `[css] inner window` result.

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30625#comment:5>
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