It is sever yes, but this change is only enabled in Nightly exactly to identify and address these issues. You can enable dom.security.https_first_schemeless if you wish the urlbar to try https first. That will be the default once we have addressed remaining issues.
Bug 1848715 Comment 6 Edit History
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It is sever yes, but this change is only enabled in Nightly exactly to identify and address these issues. You can enable `dom.security.https_first_schemeless` if you wish the urlbar to try https first. That will be the default once we have addressed remaining issues.