[tor-bugs] #31563 [Applications/Tor Browser]: Urlbar search icons disappear after browser restart

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#31563: Urlbar search icons disappear after browser restart
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 Reporter:  acat                                 |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  ff68-esr, TorBrowserTeam201908R,     |  Actual Points:
  tbb-9.0-must-alpha                             |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by acat):

 I think I tested both in Firefox (since I had filed the bugzilla ticket)
 and Tor Browser, but perhaps I followed a different sequence of actions.

 Now testing again in Tor Browser, on first restart after setting
 `enabledScopes` to `5` and applying the patch I actually have the issue of
 the urlbar not working (which seems to be correlated with the tor-launcher
 error log mentioned in the description). Opening a new window or
 restarting the browser fixes it, and icons are also shown. So search
 extensions seem to be installed, and urlbar being broken seems like a
 separate issue probably unique to Tor Browser. Do you also have the issue
 of urlbar being broken, or it's just the icons not shown? I can't
 reproduce icons not being shown after setting `enabledScopes` to `5` and
 applying the patch.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31563#comment:6>
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