@musicmatze @c3hamm @forgefed @nlnet
There is certainly a lot of interest in forge federation. I can mention that at https://coding.social recently a Commons collective has been started, called "Forging grounds" which is themed around this. Thus far there are no public posts, but forum space exists here:
https://discuss.coding.social/c/commons-cocreation/forginggrounds/42
For chat on the technical side there's the Common social groundwork chatroom at: