[tbb-bugs] #28842 [Applications/Tor Browser]: TBA: Set new preferences after update

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#28842: TBA: Set new preferences after update
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     Reporter:  sysrqb                    |      Owner:  tbb-team
         Type:  defect                    |     Status:  new
     Priority:  Medium                    |  Milestone:
    Component:  Applications/Tor Browser  |    Version:
     Severity:  Normal                    |   Keywords:  tbb-mobile
Actual Points:                            |  Parent ID:
       Points:                            |   Reviewer:
      Sponsor:                            |
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 The current implementation of distribution preferences is intended for use
 only during the initial installation/initialization. Specifically, it
 should only be set soon-after a new gecko profile is created.

 We're currently abusing this feature, and trying to set new preferences
 after we install a new version of the app (updating). Unfortunately, this
 overwrites any user-modified preferences, too. We should extend the
 current implementation so it does what we want but it shouldn't make
 surprising changes when the app restarts or updates (such as reverting
 user-modified prefs).

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28842>
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