Hello! Glad you liked the demo!
We don't have a planned release date yet, but the game will be released this year both here on Itch and on Steam.
You can wishlist it here if you want: https://store.steampowered.com/app/1014540/Selling_Sunlight/
Thank you for replying! I have wishlisted the game and will be looking forward to the release! Good luck with it!