I’m not sure this would work in practice. Judging from the reference numbers in the published documents, there are literally several thousand “issues” that have being tracked by the Dorico team. Many of them will have been closed out, but trying to classify the open ones into “outstanding features” or “known bugs,” and keeping a published list up to date, would probably take a lot of effort that could have been spent fixing them rather them rather than recording their existence.
It would also be “free marketing material” for the competition, of course - a ready made source for writing a piece about “don’t buy Dorico, look at this list of 100 things that it can’t do but our product can”.
Dorico has always been open about the major features that haven’t been done yet, like chord symbols before the latest update, etc. The Steinberg website and Daniel Spreadbury’s “making notes” blogs are good starting points.