I can't login into my Pleroma instance just after Elk was updated to v0.3.0. It was working fine in earlier versions. The backend is Pleroma version 2.4.55-921-g20790c1d-develop.

While being redirected back to elk.zone for the OAuth callback (URL https://elk.zone/signin/callback?server=gabi.is&token=...&vapid_key=...), this is what the Console is showing: