Quartex Pascal: Nearing completion

That is the statement of Jon L. Aasenden on 5 October 2021.
See Quartex Pascal: Nearing completion | Jon L. Aasenden
Apparantly to get the product you need to choose 1 of 5 member ship levels.
The lowest level is Supporter which costs A$20.50 per month.
The benefits of this membership I see as -
(1) intangible.
You can feel good about supporting him.
(2) tangible.
You get access to Public Articles. Is that it? Any person of the public get the same access, I think.
Do you get access to the executable? Anything else?

Looking at the website, I think backers get access to the source code.

This is what the website says:

"You love the products but you are not a developer yourself. This is a general support tier for people who just want to show apprechiation and support.

. Public articles"

It is unclear. A the end he says:

“For commercial use a symbolic fee of $300 is needed. The system is licensed as shareware in order to avoid an avalanche of clones, which can quickly kill a project.”

Is that an alternative to the monthly Patreon subscription? On top of?

As the author claims it will be released at the end of the year, I think I will wait until that milestone is reached.