I know you said you won't be releasing an updated demo since you're focusing on the full game, just would like a given date which I assume either Q1 or Q2 2021

I'm currently targeting an initial alpha build for Q1 2021. It will be an extremely alpha-y alpha, and will be missing significant pieces of the final game.

As noted on the game page, the final game is currently targeted for late 2021 (so something like Q4), but this is still very tentative and depends on how long art takes, as well as whether I run into issues during development.