• I have searched the issues of this repo and believe that this is not a duplicate.
• I have searched the FAQ and general documentation and believe that my question is not already covered.

Feature Request

It's certainly perfectly normal to avoid retrying http 500s, but on the modern internet 500s tend to be extremely transient, so I was wondering if you'd consider permitting 500s to retry. It looks like, currently, the uploader retries 500--503, and the authenticator retries 502--504. Was this difference intentional?

There is actually a PR that aligns them, though it hasn't seen much attention, I think: #7072