When I report a problem, I try to supply as complete a picture as possible, without imposing my filter on the data. So many times I've had a vital clue omitted by someone who "didn't think that X was important".
With so many parties involved, it's not surprising that errors reveal issues entirely outside your ken; those capable of fixing them may see the report and fix them. > I'm not sure what you mean with "-n vs .n for sub-version ids". I The Rakudo* convention for normal releases was YYYY.MM, for experimental or supplemental releases was YYYY.MM-N, so my download script inserted "-" as the separator if given a third parameter, while you're using YYYY.MM.N I just changed the script, but again reported it in case someone else also uses a script.