It's not a bug. Under the API base URL it works, /api/v1/users/stagas/posts.rss, but those are aliases they work too. Thanks however!

@thechelsuk3 notes6 replies5 tags, 4 users following1 followerCurrently in remission from ME/CFS after 3+ years. Occasional software engineering leader, app developer, blogger, zwifter, and just being online.enter to follow2d · 1 replyenter to reply

Minor bug in docs: I noticed in the API docs the feed url says ../users/name... but it's actually ../u/name... by the way.