For anyone interested in the concept of a bulletin board forum on ATProto and would like to help with planning: we've started a Matrix space for planning, discussion, and development.
matrix.to#/#atbb:epoch...
matrix.to
Matrix - Decentralised and secure communication
You're invited to talk on Matrix. If you don't already have a client this link will help you pick one, and join the conversation. If you already have one, this link will help you join the conversation