[tbb-bugs] #21876 [Applications/Tor Browser]: e10s is not enabled on Linux (and probably OS X) by default in ESR 52 based nightlies

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#21876: e10s is not enabled on Linux (and probably OS X) by default in ESR 52 based
nightlies
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 Reporter:  gk                                   |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:  new
 Priority:  Very High                            |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Major                                |     Resolution:
 Keywords:  ff52-esr, tbb-7.0-must-alpha,        |  Actual Points:
  TorBrowserTeam201704                           |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by cypherpunks):

 > e10s is not enabled on Linux (and probably OS X) by default in ESR 52
 based nightlies
 It's not enabled by default anywhere (in FF too), because this feature is
 not ready for GA. So, it is rolling out to separate groups of users, and
 e10srollout add-on decides when and for whom to enable e10s.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21876#comment:3>
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