Changing the list of search engines, after restart, the old settings re-appear. Reproducible: Always Steps to Reproduce: 1. Delete some entries. 2. Stop Firefox 3. Start Firefox again Actual Results: Old settings active again Expected Results: Respect the altered list Please, let me know which additional Information would be helpful.
How about other language settings? Or without any?
Sorry, I either don't understand about what you are talking or I am failing to reproduce, please see the following screencast: https://dev.gentoo.org/~whissi/stuff/gentoo-bug760675.webm If this screencast doesn't show what you are talking about please either describe your problem in detail and how to reproduce or maybe you can also create a screencast.