[tor-bugs] #31660 [Applications/Tor Browser]: Revise onboarding to take new Firefox experience into account

[Tor Bug Tracker & Wiki]

#31660: Revise onboarding to take new Firefox experience into account
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     Reporter:  gk                        |      Owner:  tbb-team
         Type:  task                      |     Status:  new
     Priority:  Medium                    |  Milestone:
    Component:  Applications/Tor Browser  |    Version:
     Severity:  Normal                    |   Keywords:  ux-team
Actual Points:                            |  Parent ID:
       Points:                            |   Reviewer:
      Sponsor:                            |
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 Firefox 68 ESR does not come with the onboarding extension anymore which
 Mozilla and we used to provide an onboarding experience for our browser
 based on Firefox 60 ESR. We hacked around that for Tor Browser 9 by
 reverting a bunch of patches and adjusting the code we had (see: #28822)
 but that strategy won't work forever.

 Instead we should look into how the new onboarding in Firefox works and
 develop our own on top of that. Or: We make a conscious decision to
 provide onboarding independent of Firefox's one because we don't like the
 new one Mozilla ships.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31660>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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