This is very unfortunate! Clef was by far my preferred 2FA system due to its incredible ease of use making my life easy explaining it to clients. I hope the entire team lands on their feet somewhere awesome, and somehow the legacy of Clef will live on in another product.
I realize there may be legal reasons you can’t say — but I may as well ask! Where is the team headed — if they are going to be working on another authorization plugin I would prefer to switch to that one. If not, I suppose I will switch to Google 2FA.
Best of luck to your team!