Tested with Firefox on safe mode / no addons. Win 7. FF 59.0.1 (64-bit). Have noticed this for the past month or so. User is presented with a blank/white screen on all forum pages. Apparently this effects all discourse sites for users that have
dom.webnotifications.enabled = false
in about.config. This is not an uncommon setting, it would be great if this could be fixed so that having notifications disabled won’t render block the entire site.
Console error output: