itch.io

You're definitely not asking for too much

Nope. There's a huge update coming out on April 30, check PhantomArcade's Twitter.

What exactly is the problem?

Have you gotten to the download page? A popup says you have to pay 6 bucks, but you can click "No thanks, just take me to the downloads" if you don't feel like donating.

Did it give an error message if it failed?

The Whitty mod is on an actual version, and using the new input system from Kade Engine. This is a prototype with even worse inputs than in the week 6 update.