[tor-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):

 What do you see in " Multiprocess Windows" row on about:support?

 On Win XP SP3 it is "0/1 (Disabled)" and
 Extensions
 Name    Version         Enabled         ID
 Application Update Service Helper       2.0     true
 aushelper at mozilla.org
 HTTPS Everywhere        5.2.7   true    https-everywhere-eff at eff.org
 Multi-process staged rollout    1.9     true    e10srollout at mozilla.org
 NoScript        5.0.2   true    {73a6fe31-595d-460b-a920-fcc0f8843232}
 Pocket  1.0.5   true    firefox at getpocket.com
 Torbutton       1.9.7.1 true    torbutton at torproject.org
 TorLauncher     0.2.11.1        true    tor-launcher at torproject.org
 Web Compat      1.0     true    webcompat at mozilla.org

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21876#comment:2>
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