Shapr3D just booted me out of my model because my “session expired”. I will now lose my undo history. As it happens, I have lost no work; but this is out of sheer luck.
Clicking on the button to log back in:
…I am sent to a web page with a progress spinner that spins for a long while:
…before showing me this:
This behaviour is lunacy: a failure of the authentication server should fail softly.
(As of this time I am unable to re-log into the app, due to this login error.)
DevTools screenshot (HTTP 401 Unauthorized, plus a CORS issue):