This still happens on Ubuntu 18.04.1 LTS and latest Firefox. It breaks among else logging in to https://wiki.ubuntu-fi.org/ with a long Python backtrace ending up in language parsing error.
** Description changed: It would seem something caused an incorrect language setting in Firefox, potentially due to 14.04 LTS -> 16.04 LTS upgrade. Update August 2016: happens also on a clean Ubuntu 16.04.1 installation. Update August 2017: also on clean 16.04.3. + Update August 2018: same on 18.04.1 --- I noticed I'm getting redirected to English pages on help.ubuntu.com, even though that hasn't happened before like eg within the last month. I upgraded this machine to xenial today. When looking at it more (after filing this bug originally against documentation) in Firefox settings -> Content -> Languages, I noticed the top-most item was "empty" (no language name) with [fi-fi] in brackets. Beneath it was suomi [fi] and english options. When I removed the "empty" language from the list, help.ubuntu.com started behaving correctly again. At this point I don't have better information but leaving the bug open to be documented. Original report: All links at eg https://help.ubuntu.com/16.04/ubuntu-help/index.html.fi point unfortunately to English versions of the pages, like https://help.ubuntu.com/16.04/ubuntu-help/unity-introduction.html The correct links would have the ".fi" added to the URL, like https://help.ubuntu.com/16.04/ubuntu-help/unity-introduction.html.fi -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1574638 Title: Firefox has non-functional preferred language both after upgrade and clean install Status in firefox package in Ubuntu: New Bug description: It would seem something caused an incorrect language setting in Firefox, potentially due to 14.04 LTS -> 16.04 LTS upgrade. Update August 2016: happens also on a clean Ubuntu 16.04.1 installation. Update August 2017: also on clean 16.04.3. Update August 2018: same on 18.04.1 --- I noticed I'm getting redirected to English pages on help.ubuntu.com, even though that hasn't happened before like eg within the last month. I upgraded this machine to xenial today. When looking at it more (after filing this bug originally against documentation) in Firefox settings -> Content -> Languages, I noticed the top-most item was "empty" (no language name) with [fi-fi] in brackets. Beneath it was suomi [fi] and english options. When I removed the "empty" language from the list, help.ubuntu.com started behaving correctly again. At this point I don't have better information but leaving the bug open to be documented. Original report: All links at eg https://help.ubuntu.com/16.04/ubuntu-help/index.html.fi point unfortunately to English versions of the pages, like https://help.ubuntu.com/16.04/ubuntu-help/unity-introduction.html The correct links would have the ".fi" added to the URL, like https://help.ubuntu.com/16.04/ubuntu-help/unity-introduction.html.fi To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1574638/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
