Changes since version 2.5-dev6 :

Christopher Faulet (1):
      Revert "BUG/MINOR: stream-int: Don't block reads in si_update_rx() if chn may receive"

Willy Tarreau (21):
      BUG/MINOR: config: reject configs using HTTP with bufsize >= 256 MB
      CLEANUP: htx: remove comments about "must be < 256 MB"
      BUG/MAJOR: htx: fix missing header name length check in htx_add_header/trailer
      MINOR: proxy: add a global "grace" directive to postpone soft-stop
      MINOR: vars: rename vars_init() to vars_init_head()
      CLEANUP: vars: rename sample_clear_stream() to var_unset()
      REORG: vars: remerge sample_store{,_stream}() into var_set()
      MEDIUM: vars: make the ifexist variant of set-var only apply to the proc scope
      MINOR: vars: add a VF_CREATEONLY flag for creation
      MINOR: vars: support storing empty sample data with a variable
      MINOR: vars: store flags into variables and add VF_PERMANENT
      MEDIUM: vars: make var_clear() only reset VF_PERMANENT variables
      MEDIUM: vars: pre-create parsed SCOPE_PROC variables as permanent ones
      MINOR: vars: preset a random seed to hash variables names
      MEDIUM: vars: replace the global name index with a hash
      CLEANUP: vars: remove the now unused var_names array
      MINOR: vars: centralize the lock/unlock into static inlines
      OPTIM: vars: only takes the variables lock on shared entries
      OPTIM: vars: remove internal bookkeeping for vars_global_size
      OPTIM: vars: do not keep variables usage stats if no limit is set
      CI: Github Actions: temporarily disable Opentracing

devnexen@gmail.com (1):
      BUILD: fix dragonfly build again on __read_mostly