Don't arrest "default browser"
Sometimes, the browser would ask me to set it as a default browser. I clicked no and made sure the box is away. Somehow, it managed to become my default browser.
Adminblackbirdadmin (Admin, Blackbird) commented
Does not appear to be the case in release 0.997. This issue has been flagged and will be checked for all subsequent releases. We were not able to duplicate this occurrence to date but will continue to flag as potential issue. If this happens again please send an email to firstname.lastname@example.org