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Changes with Apache 2.3.14

  *) mod_log_debug: New module that allows to log custom messages at various
     phases in the request processing. [Stefan Fritsch]

  *) mod_ssl: Add some debug logging when loading server certificates.
     PR 37912. [Nick Burch <nick burch alfresco com>]
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Changes with Apache 2.3.13

  *) ab: Support specifying the local address to use. PR 48930.
     [Peter Schuller <scode spotify com>]

  *) core: Add support to ErrorLogFormat for logging the system unique
     thread id under Linux. [Stefan Fritsch]

  *) event: New AsyncRequestWorkerFactor directive to influence how many
     connections will be accepted per process. [Stefan Fritsch]

  *) prefork, worker, event: Rename MaxClients to MaxRequestWorkers which
     describes more accurately what it does. [Stefan Fritsch]

  *) rotatelogs: Add -p argument to specify custom program to invoke
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     after a log rotation.  PR 51285. [Sven Ulland <sveniu ifi.uio.no>, 
     Joe Orton]
  *) mod_ssl: Don't do OCSP checks for valid self-issued certs. [Kaspar Brand]

  *) mod_ssl: Avoid unnecessary renegotiations with SSLVerifyDepth 0.
     PR 48215. [Kaspar Brand]

  *) mod_status: Display information about asynchronous connections in the
     server-status. PR 44377. [Stefan Fritsch]

  *) mpm_event: If the number of connections of a process is very high, or if
     all workers are busy, don't accept new connections in that process.
     [Stefan Fritsch]

  *) mpm_event: Process lingering close asynchronously instead of tying up
     worker threads. [Jeff Trawick, Stefan Fritsch]

  *) mpm_event: If MaxMemFree is set, limit the number of pools that is kept
     around. [Stefan Fritsch]

  *) mpm_event: Fix graceful restart aborting connections. PR 43359.
     [Takashi Sato <takashi lans-tv com>]

  *) mod_ssl: Disable AECDH ciphers in example config. PR 51363.
     [Rob Stradling <rob comodo com>]

  *) core: Introduce new function ap_get_conn_socket() to access the socket of
     a connection. [Stefan Fritsch]

  *) mod_data: Introduce a filter to support RFC2397 data URLs. [Graham
     Leggett]

  *) mod_userdir/mod_alias/mod_vhost_alias: Correctly set DOCUMENT_ROOT,
     CONTEXT_DOCUMENT_ROOT, CONTEXT_PREFIX. PR 26052. PR 46198.
     [Stefan Fritsch]

  *) core: Allow to override document_root on a per-request basis. Introduce
     new context_document_root and context_prefix which provide information
     about non-global URI-to-directory mappings (from e.g. mod_userdir or
     mod_alias) to scripts. PR 49705. [Stefan Fritsch]

  *) core: Add <ElseIf> and <Else> to complement <If> sections.
     [Stefan Fritsch]

  *) mod_ext_filter: Remove DebugLevel option in favor of per-module loglevel.
     [Stefan Fritsch]

  *) mod_include: Make the "#if expr" element use the new "ap_expr" expression
     parser. The old parser can still be used by setting the new directive
     SSILegacyExprParser. [Stefan Fritsch]

  *) core: Add some features to ap_expr for use by mod_include: a restricted
     mode that does not allow to bypass request access restrictions; new
     variables DOCUMENT_URI (alias for REQUEST_URI), LAST_MODIFIED; -A as an
     alias for -U; an additional data entry in ap_expr_eval_ctx_t for use by
     the consumer; an extensible ap_expr_exec_ctx() API that allows to use that
     data entry. [Stefan Fritsch]

  *) mod_include: Merge directory configs instead of one SSI* config directive
     causing all other per-directory SSI* config directives to be reset.
     [Stefan Fritsch]

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  *) mod_charset_lite: Remove DebugLevel option in favour of per-module
     loglevel. [Stefan Fritsch]

  *) core: Add ap_regexec_len() function that works with non-null-terminated
     strings. PR 51231. [Yehezkel Horowitz <horowity checkpoint com>]

  *) mod_authnz_ldap: If the LDAP server returns constraint violation,
     don't treat this as an error but as "auth denied". [Stefan Fritsch]

  *) mod_proxy_fcgi|scgi: Add support for "best guess" of PATH_INFO
     for SCGI/FCGI. PR 50880, 50851. [Mark Montague <mark catseye.org>,
     Jim Jagielski]

  *) mod_cache: When content is served stale, and there is no means to
     revalidate the content using ETag or Last-Modified, and we have
     mandated no stale-on-error behaviour, stand down and don't cache.
     Saves a cache write that will never be read.
     [Graham Leggett]

  *) mod_reqtimeout: Fix a timed out connection going into the keep-alive
     state after a timeout when discarding a request body. PR 51103.
     [Stefan Fritsch]

  *) core: Add various file existance test operators to ap_expr.
     [Stefan Fritsch]

  *) mod_proxy_express: New mass reverse-proxy switch extension for
     mod_proxy. [Jim Jagielski]

  *) configure: Fix script error when configuring module set "reallyall".
     [Rainer Jung]
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Changes with Apache 2.3.12

  *) configure, core: Provide easier support for APR's hook probe
     capability. [Jim Jagielski, Jeff Trawick]

  *) Silence autoconf 2.68 warnings.  [Rainer Jung]

  *) mod_authnz_ldap: Resolve crash when LDAP is used for authorization only
     [Scott Hill <shill genscape.com>]

  *) support: Make sure check_forensic works with mod_unique_id loaded
     [Joe Schaefer]

  *) Add child_status hook for tracking creation/termination of MPM child
     processes.  Add end_generation hook for notification when the last
     MPM child of a generation exits. [Jeff Trawick]

  *) mod_ldap: Make LDAPSharedCacheSize 0 create a non-shared-memory cache per
     process as opposed to disabling caching completely. This allows to use
     the non-shared-memory cache as a workaround for the shared memory cache
     not being available during graceful restarts. PR 48958. [Stefan Fritsch]

  *) Add new ap_reserve_module_slots/ap_reserve_module_slots_directive API,
     necessary if a module (like mod_perl) registers additional modules late
     in the startup phase. [Stefan Fritsch]

  *) core: Prevent segfault if DYNAMIC_MODULE_LIMIT is reached. PR 51072.
     [Torsten Förtsch <torsten foertsch gmx net>]

  *) WinNT MPM: Improve robustness under heavy load.  [Jeff Trawick]

  *) MinGW build improvements.  PR 49535.  [John Vandenberg 
     <jayvdb gmail.com>, Jeff Trawick]

  *) core: Support module names with colons in loglevel configuration.
     [Torsten Förtsch <torsten foertsch gmx net>]

  *) mod_ssl, ab: Support OpenSSL compiled without SSLv2 support.
     [Stefan Fritsch]

  *) core: Abort if the MPM is changed across restart.  [Jeff Trawick]

  *) mod_proxy_ajp: Add support for 'ProxyErrorOverride on'. PR 50945.
     [Peter Pramberger <peter pramberger.at>, Jim Jagielski]

  *) mod_proxy_fcgi: Add support for 'ProxyErrorOverride on'. PR 50913.
     [Mark Montague <mark catseye.org>, Jim Jagielski]

  *) core: Change the APIs of ap_cfg_getline() and ap_cfg_getc() to return an
     error code. Abort with a nice error message if a config line is too long.
     Partial fix for PR 50824. [Stefan Fritsch]

  *) mod_info: Dump config to stdout during startup if -DDUMP_CONFIG is
     specified. PR 31956. [Stefan Fritsch]
  *) Restore visibility of DEFAULT_PIDLOG to core and modules.  MPM 
     helper function ap_remove_pid() added.  [Jeff Trawick]
  *) Enable DEFAULT_REL_RUNTIMEDIR on Windows and NetWare.  [various]

  *) Correct C++ incompatibility with http_log.h.  [Stefan Fritsch, Jeff
     Trawick]

  *) mod_log_config: Prevent segfault. PR 50861. [Torsten Förtsch
     <torsten.foertsch gmx.net>]

  *) core: AllowEncodedSlashes new option NoDecode to allow encoded slashes
     in request URL path info but not decode them. Change behavior of option
     "On" to decode the encoded slashes as 2.0 and 2.2 do.  PR 35256,
     PR 46830.  [Dan Poirier]

  *) mod_ssl: Check SNI hostname against Host header case-insensitively.
     PR 49491.  [Mayank Agrawal <magrawal.08 gmail.com>]

  *) mod_ldap: Add LDAPConnectionPoolTTL to give control over lifetime
     of bound backend LDAP connections.  PR47634 [Eric Covener]
   
  *) mod_cache: Make CacheEnable and CacheDisable configurable per
     directory in addition to per server, making them work from within
     a LocationMatch. [Graham Leggett]
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