auth: only generate token on retry once for a given batch of requests (!443) · Merge requests · OS / httpx

other issues fixed:

datadog: support custom peer.service
retries: skip negative retry_after
reuse same resolver if the dns-common options across connections match
checkin resolver back into the pool if early-resolve works
remove Thread.pass from pool
send single PING frame when probing after keep alive expired on a connection, regardless of number of requests

auth: only generate token on retry once for a given batch of requests