[Bug 1627290] [NEW] Firefox 49+ multiprocess windows feature (e10s) is disabled by ubufox

[Marcos Felipe Mello]

Public bug reported:

Firefox 49+ enables e10s by default:

https://wiki.mozilla.org/Electrolysis


But Ubuntu's "Ubuntu Modifications 3.2" extension disables it. In about:support output it says:

"Multiprocess Windows 0/1 (Disabled by add-ons)"


If we manually disable "Ubuntu Modifications" extension, it works:

"Multiprocess Windows 1/1 (Enabled by default)"


I am using Xubuntu 16.04, firefox 49.0+build4-0ubuntu0.16.04.1, xul-ext-ubufox 3.2-0ubuntu1.

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

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Title:
  Firefox 49+ multiprocess windows feature (e10s) is disabled by ubufox

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