Changes since version 2.2-dev8 :

Bertrand Jacquin (1):
      BUG/MEDIUM: contrib/spoa: do not register python3.8 if --embed fail

Christopher Faulet (10):
      BUG/MINOR: http-htx: Don't forget to release the http reply in release function
      BUG/MINOR: http-htx: Fix a leak on error path during http reply parsing
      MINOR: checks: Remove dead code from process_chk_conn()
      REGTESTS: checks: Fix tls_health_checks when IPv6 addresses are used
      REGTESTS: Add missing OPENSSL to REQUIRE_OPTIONS for compression/lua_validation
      REGTESTS: Require the version 2.2 to execute lua/set_var
      BUG/MEDIUM: checks: Refresh the conn-stream and the connection after a connect
      MINOR: checks: Remove useless tests on the connection and conn-stream
      BUG/MEDIUM: connection: Ignore PP2 unique ID for stream-less connections
      BUG/MINOR: connection: Always get the stream when available to send PP2 line

Emeric Brun (1):
      MEDIUM: ring: new section ring to declare custom ring buffers.

Olivier Houchard (1):
      BUG/MEDIUM: backend: set the connection owner to the session when using alpn.

Tim Duesterhus (7):
      REGTESTS: Add missing OPENSSL to REQUIRE_OPTIONS for lua/txn_get_priv
      MINOR: lua: Use vars_unset_by_name_ifexist()
      CLEANUP: vars: Remove void vars_unset_by_name(const char*, size_t, struct sample*)
      MINOR: vars: Make vars_(un|)set_by_name(_ifexist|) return a success value
      MINOR: lua: Make `set_var()` and `unset_var()` return success
      MEDIUM: lua: Add `ifexist` parameter to `set_var`
      REGTEST: Add connection/proxy_protocol_send_unique_id_alpn

Willy Tarreau (2):
      MINOR: pools: compute an estimate of each pool's average needed objects
      MEDIUM: pools: directly free objects when pools are too much crowded