[Bug 1658407] [NEW] "Ubuntu modification" extension default package disables Multiprocess in Firefox

[Jatan]

Public bug reported:

Firefox has started making the default state to Multiprocess starting
with Firefox 48. Right now, at least half the Firefox users have
Multiprocess enabled by default and the performance and stability
benefits are quite substantial. More about Multiprocess here -
https://wiki.mozilla.org/Firefox/multiprocess

The Ubufox extension that comes installed by default in Ubuntu's Firefox
disables Multiprocess, due it not being compatible with it (check
attachment). This leads to all Ubuntu users not benefiting from the
performance benefits of Firefox multiprocess architecture and also the
ever increasing benefits as they keep improving it.

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: ubufox (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: packaging

** Attachment added: "Ubufox extension disables Firefox Multiprocess"
   https://bugs.launchpad.net/bugs/1658407/+attachment/4807405/+files/Multiprocess-firefox-disabled.png

** Also affects: ubufox (Ubuntu)
   Importance: Undecided
       Status: New

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Title:
  "Ubuntu modification" extension default package disables Multiprocess
  in Firefox

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