Good question! Mostly so far we’ve been announcing it on the #lispgames channel in libera.chat. But it’s understandable if not everyone wants to hang out there on IRC. I’ll start a thread in the main itch.io forum about this and we can update it every time there’s a new jam.
But the date for the next jam to start will be the 20th of October. I’ll get it created on itch soon in the next few days.