[tor-bugs] #31591 [Applications/Tor Browser]: Feature review for ESR68

[Tor Bug Tracker & Wiki]

#31591: Feature review for ESR68
-------------------------------------------------+-------------------------
 Reporter:  pili                                 |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:  closed
 Priority:  Very High                            |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:  fixed
 Keywords:  tbb-9.0-must-alpha,                  |  Actual Points:  6
  TorBrowserTeam201910, GeorgKoppen201910        |
Parent ID:                                       |         Points:  3
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by gk):

 Replying to [comment:9 gk]:
 > Here come my notes for Firefox 61-67 (inclusive) dev-doc reviews:
 >
 > The developer docs can be found at https://developer.mozilla.org/en-
 US/docs/Mozilla/Firefox/Releases/XX (Where "XX" is the actual Firefox
 version to be investigated).
 >
 > There was nothing concerning for Firefox 61 and 62.
 >
 > For Firefox 63 we have the Media Capabilities API
 (https://bugzilla.mozilla.org/show_bug.cgi?id=1409664) which we addressed
 in #13543. I made a note on #16678 as changes might affect this bug and
 filed an investigated #31954. I skimmed
 https://bugzilla.mozilla.org/show_bug.cgi?id=1349799 and think the WebGL
 power preference in this bug is not a problem for us.
 >
 > Nothing found for Firefox 64.

 Technically speaking this is not correct. Interaction Media Features got
 implemented inlcuding `pointer`/`hover` (see:
 https://bugzilla.mozilla.org/show_bug.cgi?id=1035774 and
 https://bugzilla.mozilla.org/show_bug.cgi?id=1483111). However, thanks to
 Mozilla engineers fingerprinting issues have been taken into account right
 from the beginning. So, once resist fingerprinting mode is on a mouse-type
 pointer is given back. It seems to me this holds for mobile, too, which we
 might want to revisit (tjr mentioned it should be touchscreen values there
 (https://bugzilla.mozilla.org/show_bug.cgi?id=1035774#c25)).

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31591#comment:11>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online