[tbb-bugs] #16253 [Tor Browser]: Tor Browser menu on OS X is broken with ESR 38

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#16253: Tor Browser menu on OS X is broken with ESR 38
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     Reporter:  gk           |      Owner:  tbb-team
         Type:  defect       |     Status:  new
     Priority:  normal       |  Milestone:
    Component:  Tor Browser  |    Version:
   Resolution:               |   Keywords:  tbb-usability, ff38-esr
Actual Points:               |  Parent ID:
       Points:               |
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Changes (by mcs):

 * cc: brade, mcs (added)


Comment:

 Apparently, some people are experiencing this with Firefox as well.  See:
 https://bugzilla.mozilla.org/show_bug.cgi?id=1151345

 I also see this problem with a browser that was built on Mac OS (not cross
 compiled).  The build I tested with a few minutes ago does not include
 many of our patches either; just the updater patches and a few others.

 It seems like this problem occurs because Tor Launcher opens a modal
 dialog very early during Firefox startup (i.e., the wizard or the
 status/progress window).  That is what the StartupMaster extension that is
 mentioned here does:
 https://bugzilla.mozilla.org/show_bug.cgi?id=1151345#c84
 And if I set TOR_SKIP_LAUNCH=1 before starting an ESR38-based Tor Browser,
 I do not see this problem.

 I wonder what changed since ESR 31 to cause this?  I made a comment in the
 Mozilla bug; maybe someone who is watching will have an idea.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/16253#comment:1>
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