This page https://auth0.com/docs/libraries/lock/v10/customization states
There is a known bug that prevents
popup mode from functioning properly
in Android or Firefox on iOS, and in
Internet Explorer under certain
circumstances. As such we recommend
either only using redirect mode or
detecting these special cases and
selectively enabling redirect mode.
See more info here.
The link for “here” is https://ask.auth0.com/t/popup-login-window-is-not-closed-after-authentication/2843 , but following that link just redirects to https://community.auth0.com Where can I find more information on this bug?