That's why old wiki pages should be redirects to their new replacements (That differs for mockups, or pages that have no replacement). There could be more links to the page, some might not even be under our control.
Try the mail list, I believe Mattias keeps the README. And as it is uploaded with each release, it needs to be changed at the source.
Both donation links seem to work?
The old one stopped working some years back. But they were replaced. I am not aware that the current ones are broken.