In particular, the "What's New" section lists the latest news as of more than two years ago.
If you have an alternative, tell us about it. If not, someone saying they *do* plan to finish it is what you need to accept. *NOT* telling everyone (and them) that they won't finish it, just because you ran out of patience.
I'm sorry to be rude, but when David does have a bit more time, I think updating his website should be bottom of his priorities (get someone else to do it). After working on the code, top of the priority list should be demonstrating what's working thus far, at a RISC OS user group.