Pending RELEASE-NOTES for the upcoming release
This is work in progress and will change before the release goes public on 15th of September 2021.
- configure: tweak nghttp2 library name fix
- CURLMOPT_TIMERFUNCTION.3: remove misplaced "time"
- docs/MQTT: update state of username/password support
- Get rid of the unused HAVE_SIG_ATOMIC_T et. al.
- http_proxy: clear 'sending' when the outgoing request is sent
Bastian Krause, Christian Weisgerber, Dan Fandrich, Daniel Stenberg, Josh Soref, Oleg Pudeyev, Ray Satiro, zloi-user on github,