To add to this, all of the packages mentioned have a -git version in the AUR. The people who really need the absolute newest version can always install these packages. The rest of the people (those who prefer stability) can continue using a slightly older, but well-tested versions of these programs.
Username checks out, though I’m assuming you meant “demakes”?
Anyways, the demake I’m most familiar with is the in-progress Lego island. The YouTuber behind it documented part of the process in vlogs (linked on the GitHub page), so that might be an interesting starting point.