Changes since version 2.2.20 :

Andrew McDermott (1):
      BUG/MAJOR: http/htx: prevent unbounded loop in http_manage_server_side_cookies

Christopher Faulet (8):
      BUG/MEDIUM: htx: Adjust length to add DATA block in an empty HTX buffer
      BUG/MEDIUM: cli: Never wait for more data on client shutdown
      BUG/MINOR: sink: Use the right field in appctx context in release callback
      BUG/MEDIUM: resolvers: Really ignore trailing dot in domain names
      BUG/MEDIUM: mux-h1: Don't wake h1s if mux is blocked on lack of output buffer
      BUG/MAJOR: mux-h2: Be sure to always report HTX parsing error to the app layer
      BUG/MEDIUM: stream: Abort processing if response buffer allocation fails
      REGTESTS: fix the race conditions in secure_memcmp.vtc

David Carlier (1):
      BUILD/MINOR: fix solaris build with clang.

Ilya Shipitsin (5):
      BUILD: adopt script/build-ssl.sh for OpenSSL-3.0.0beta2
      CI: github actions: add OpenSSL-3.0.0 builds
      CI: github actions: relax OpenSSL-3.0.0 version comparision
      CI: github actions: update OpenSSL to 3.0.1
      CI: github actions: use cache for SSL libs

Lukas Tribus (1):
      BUG/MINOR: mailers: negotiate SMTP, not ESMTP

William Lallemand (6):
      BUG/MINOR: mworker: does not erase the pidfile upon reload
      BUG/MINOR: mworker: fix a FD leak of a sockpair upon a failed reload
      BUILD: fix compilation for OpenSSL-3.0.0-alpha17
      CI: github actions: -Wno-deprecated-declarations with OpenSSL 3.0.0
      CI: github: switch to OpenSSL 3.0.0
      BUG/MINOR: tools: url2sa reads ipv4 too far

Willy Tarreau (17):
      MEDIUM: cli: yield between each pipelined command
      MINOR: channel: add new function co_getdelim() to support multiple delimiters
      BUG/MINOR: cli: avoid O(bufsize) parsing cost on pipelined commands
      BUG/MEDIUM: mcli: do not try to parse empty buffers
      BUG/MEDIUM: mcli: always realign wrapping buffers before parsing them
      BUG/MEDIUM: mworker: don't lose the stats socket on failed reload
      BUG/MAJOR: spoe: properly detach all agents when releasing the applet
      MINOR: sock: move the unused socket cleaning code into its own function
      BUG/MEDIUM: mworker: close unused transferred FDs on load failure
      BUG/MEDIUM: fd: always align fdtab[] to 64 bytes
      CI: ssl: enable parallel builds for OpenSSL on Linux
      CI: ssl: do not needlessly build the OpenSSL docs
      CI: ssl: keep the old method for ancient OpenSSL versions
      REORG: atomic: reimplement pl_cpu_relax() from atomic-ops.h
      CLEANUP: atomic: add a fetch-and-xxx variant for common operations
      BUG/MAJOR: sched: prevent rare concurrent wakeup of multi-threaded tasks
      CI: github actions: add the output of $CC -dM -E-