[Bug 1527663] [NEW] firefox 43 Accept-Language header does not follow preferences

romain romain.couturat at openfun.fr
Fri Dec 18 15:45:05 UTC 2015


Public bug reported:

on a french firefox, possibly on all non english installs of firefox 43 on Ubuntu 15.10,
the Accept-Language header is set to en_US regardless of the language preferences.
It started with the upgrade to ff43, and the issue exists event when creating a new profile.

How to Reproduce :
Create a new profile on a firefox in french, go to any website, Accept-Language HTTP header does not contain "fr"
(I could reproduce the bug in a virtualized 15.10)

Workaround :
about:preferences#content > Languages: choose
Change order, click OK
Languages: choose (again) Change order back, click OK
Now the Accept-Language header is correctly set

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

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https://bugs.launchpad.net/bugs/1527663

Title:
  firefox 43 Accept-Language header does not follow preferences

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