I finally received an acknowledgment of my first message to the support desk:
Hi, thank you for your email.
We apologize for the delay in our response. We are aware of the recent outage affecting seat maps. Our team is actively working on resolving these issues to restore full functionality as soon as possible. We appreciate your understanding and will keep you updated on our progress! Please let us know if you have any further questions or concerns!
Thank you,
The ExpertFlyer.com Team