Hello Discourse administrators,
One of the last versions of Discourse (2.7.0.beta4 or 2.7.0.beta3) breaks the UI of the signup/login page, but the screen keeps working perfectly (login and signup with email and/or other social logins).
This is due to an “improvement” of the screen by Discourse, with breaking API changes.
Here is an example:
We will release a fix as soon as possible.
If you are not (yet) concerned, please wait for the fix to update your Discourse instance.