[tor-bugs] #18019 [Tor Browser]: Update on non-en-US alpha bundles results in empty dialog being shown

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#18019: Update on non-en-US alpha bundles results in empty dialog being shown
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 Reporter:  gk                                   |          Owner:  mcs
     Type:  defect                               |         Status:
 Priority:  High                                 |  needs_review
Component:  Tor Browser                          |      Milestone:
 Severity:  Major                                |        Version:
 Keywords:  tbb-usablility, tbb-5.5,             |     Resolution:
  TorBrowserTeam201601R                          |  Actual Points:
Parent ID:                                       |         Points:
  Sponsor:                                       |
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Comment (by arthuredelstein):

 Replying to [comment:3 mcs]:

 > One solution is to use our new web progress listener approach but add a
 delay before showing the prompt if the URL of the page that is about to be
 loaded matches one of the URLs in the browser.startup.homepage pref. That
 would not change anything when the home page is about:tor but would avoid
 the blank dialog if the homepage is an http(s) page.

 I wonder if a zero-length delay might work in this situation? That is,
 {{{
   setTimeout(function() { ... }, 0)
 }}}
 I've found this trick useful to get something to the end of the runtime
 message queue.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18019#comment:6>
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