Regression. Commit d718248 reverted this change so now 2FA is broken again.
Change
jQuery('#code').qrcode("#(totpToken)");
Into
jQuery('#code').qrcode("otpauth://totp/Fax%20Server:#(email)?secret=#(totpToken)&issuer=Fax%20Server&algorithm=SHA1&digits=6&period=30");
In Resources/Views/user.leaf:5 to fix this.
Originally posted by @ZetaTwo in #9 (comment)