Cannot reproduce on Ubuntu 18.04, Firefox 68.0.1 (Canonical, installed via `apt`, Dutch locale).
If you are able to reproduce, could you check whether the global JavaScript console (Ctrl-Shift-J) contains any errors?
The error could be caused by https://searchfox.org/mozilla-central/rev/b38e3beb658b80e1ed03e0fdf64d225bd4a40327/browser/components/extensions/parent/ext-search.js#56 ... when a search engine is defined with a non-existing icon URL.
Cannot reproduce on Ubuntu 18.04, Firefox 68.0.1 (Canonical, installed via `apt`, Dutch locale).
If you are able to reproduce, could you check whether the global JavaScript console (Ctrl-Shift-J) contains any errors?
The error could be caused by https:/ /searchfox. org/mozilla- central/ rev/b38e3beb658 b80e1ed03e0fdf6 4d225bd4a40327/ browser/ components/ extensions/ parent/ ext-search. js#56
... when a search engine is defined with a non-existing icon URL.