Hi......
"Just wanted to say thank you to all participants" <--- Yes, all contestants, all voters and all commenters!
"It was fun and it resulted in another released game." <--- Yes, a game jam may exert healthy pressure on indie game developers to finish making amazing entries.
"Keep up the good work folks!" <--- The fourth jam will be held some months later(should be in Mar 2023). You are very welcome to come back to join the jam.