[tor-bugs] #21432 [Applications/Tor Browser]: Make a plan on how to deploy e10s in Tor Browser

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#21432: Make a plan on how to deploy e10s in Tor Browser
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 Reporter:  gk                                   |          Owner:  tbb-
                                                 |  team
     Type:  task                                 |         Status:  new
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  ff52-esr, tbb-7.0-must,              |  Actual Points:
  TorBrowserTeam201703                           |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by gk):

 There is
 {{{
 #if defined(XP_WIN)
   if (!IsVistaOrLater()) {
     nsAdoptingCString channelName =
 Preferences::GetDefaultCString("app.update.channel");
     if (channelName.EqualsLiteral("release") ||
 channelName.EqualsLiteral("esr")) {
       gMultiprocessBlockPolicy = kE10sDisabledForOperatingSystem;
       return gMultiprocessBlockPolicy;
     }
   }
 #endif // XP_WIN
 }}}
 We probably don't want to have it enabled in Win XP on `alpha` or
 `default` either.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21432#comment:10>
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