Changes since version 2.5.4 :

Christopher Faulet (15):
      BUG/MEDIUM: mux-fcgi: Don't rely on SI src/dst addresses for FCGI health-checks
      BUG/MEDIUM: htx: Fix a possible null derefs in htx_xfer_blks()
      REGTESTS: fix the race conditions in normalize_uri.vtc
      REGTESTS: fix the race conditions in secure_memcmp.vtc
      BUG/MINOR: httpclient: Set conn-stream/channel EOI flags at the end of request
      BUG/MINOR: hlua: Set conn-stream/channel EOI flags at the end of request
      BUG/MINOR: stats: Set conn-stream/channel EOI flags at the end of request
      BUG/MINOR: cache: Set conn-stream/channel EOI flags at the end of request
      BUG/MINOR: promex: Set conn-stream/channel EOI flags at the end of request
      BUG/MEDIUM: stream: Use the front analyzers for new listener-less streams
      DEBUG: cache: Update underlying buffer when loading HTX message in cache applet
      BUG/MEDIUM: mcli: Properly handle errors and timeouts during reponse processing
      DEBUG: stream: Add the missing descriptions for stream trace events
      DEBUG: stream: Fix stream trace message to print response buffer state
      BUG/MAJOR: mux-pt: Always destroy the backend connection on detach

David Carlier (2):
      BUILD: fix kFreeBSD build.
      BUILD: fix recent build breakage of freebsd caused by kFreeBSD build fix

Ilya Shipitsin (3):
      CI: github actions: use cache for OpenTracing
      CI: refactor OpenTracing build script
      CI: github actions: use cache for SSL libs

Marno Krahmer (1):
      MINOR: stats: Add dark mode support for socket rows

Tim Duesterhus (1):
      CI: Consistently use actions/checkout@v2

William Lallemand (3):
      BUG/MEDIUM: httpclient/lua: infinite appctx loop with POST
      BUG/MINOR: add missing modes in proxy_mode_str()
      BUG/MINOR: cli: shows correct mode in "show sess"

Willy Tarreau (7):
      CI: github actions: add the output of $CC -dM -E-
      BUILD: atomic: make the old HA_ATOMIC_LOAD() support const pointers
      BUILD: tree-wide: mark a few numeric constants as explicitly long long
      BUG/MINOR: pool: always align pool_heads to 64 bytes
      BUG/MEDIUM: pools: fix ha_free() on area in the process of being freed
      MINOR: pools: add a new global option "no-memory-trimming"
      BUILD: pools: fix backport of no-memory-trimming on non-linux OS