In case this theme is never revealed, here are some other jams that have just started or about to start ~
https://itch.io/jam/first-sanctum
https://itch.io/jam/jamfest-fall-2024
https://itch.io/jam/mini-jam-171-mystic
https://itch.io/jam/trijam-295
https://itch.io/jam/-natures-whisper-jam-
https://itch.io/jam/2-buttons-jam-2024
Maybe ill take another chance on this jam if I see it pop up again.
Good luck all!