Changes since version 2.4-dev6 :

Amaury Denoyelle (5):
      BUG/MINOR: config: fix leak on proxy.conn_src.bind_hdr_name
      MINOR: reg-tests: add http-reuse test
      CLEANUP: srv: fix comment for pool-max-conn
      CLEANUP: backend: remove an obsolete comment on conn_backend_get
      REORG: backend: simplify conn_backend_get

Christopher Faulet (3):
      BUG/MINOR: stats: Continue to fill frontend stats on unimplemented metric
      BUG/MINOR: stats: Init the metric variable when frontend stats are filled
      BUG/MEDIUM: filters/htx: Fix data forwarding when payload length is unknown

Ilya Shipitsin (2):
      BUILD: ssl: guard Client Hello callbacks with HAVE_SSL_CLIENT_HELLO_CB macro instead of openssl version
      CLEANUP: assorted typo fixes in the code and comments

Remi Tricot-Le Breton (5):
      MINOR: ssl: Server ssl context prepare function refactoring
      MINOR: ssl: Certificate chain loading refactorization
      MEDIUM: ssl: Load client certificates in a ckch for backend servers
      MEDIUM: ssl: Enable backend certificate hot update
      MINOR: ssl: Remove client_crt member of the server's ssl context

Tim Duesterhus (2):
      DOC: Improve documentation of the various hdr() fetches
      MINOR: abort() on my_unreachable() when DEBUG_USE_ABORT is set.

William Dauchy (6):
      MINOR: contrib/prometheus-exporter: better output of Not-a-Number
      CLEANUP: stats: improve field selection for frontend http fields
      MEDIUM: stats: allow to select one field in `stats_fill_be_stats`
      MINOR: contrib/prometheus-exporter: use fill_be_stats for backend dump
      MEDIUM: stats: allow to select one field in `stats_fill_sv_stats`
      MINOR: contrib/prometheus-exporter: use fill_sv_stats for server dump

William Lallemand (3):
      CLEANUP: ssl/cli: rework free in cli_io_handler_commit_cert()
      CLEANUP: ssl: remove SSL_CTX function parameter
      CLEANUP: ssl: make load_srv_{ckchs,cert} match their bind counterpart