There is something wrong with the default locale. Try installing a locale package (even firefox-l10n-en-gb) or downgrade to 57.
Mike
- Bug#882247: <window id="main-window"&g... Mike Hommey
- Bug#882247: <window id="main-window&qu... Marco d'Itri
- Bug#882247: <window id="main-window&qu... 積丹尼 Dan Jacobson
