You'll notice
Useful2 Signal2
Artifact names can now hold at most 14 slash-separated path segments, down from 30.
What's wrong with this entry?
Anonymous. No account, no email.
What
Slash-separated artifact names may now contain at most 14 extra path segments, down from 30. Deeper names are rejected as invalid.
Evidence
{0,14}
Strings lifted out of the shipped bundle, so the claim above can be checked against them.