[tbb-bugs] #31821 [Applications/Tor Browser]: reapply window.open() clamping

[Tor Bug Tracker & Wiki]

#31821: reapply window.open() clamping
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 Reporter:  Thorin                   |          Owner:  tbb-team
     Type:  defect                   |         Status:  new
 Priority:  Very High                |      Component:  Applications/Tor
                                     |  Browser
  Version:                           |       Severity:  Normal
 Keywords:  tbb-fingerprinting-      |  Actual Points:
  resolution                         |
Parent ID:                           |         Points:
 Reviewer:                           |        Sponsor:
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 In alpha we seem to have lost the 10px clamping for new windows (which are
 opened in a new tab: see #9881 )

 - See https://bugzilla.mozilla.org/show_bug.cgi?id=1556016
 - See https://ghacksuserjs.github.io/TorZillaPrint/TorZillaPrint.html -
 click the `new window` button

 Pic to follow: example of a user resizing the browser for more real
 estate: which we want to encourage for uptake and for the letterboxing
 buckets to be less FP'able (I assume).

 Would be good to upstream it

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31821>
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