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Changes with Apache 2.1.5

  [Remove entries to the current 2.0 section below, when backported]
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Changes with Apache 2.1.4

  *) Fix Windows CompContext buff size miscalculation
     [Allan Edwards]

  *) Add ReceiveBufferSize directive to control the TCP receive buffer.
     [Eric Covener <covener gmail.com>]

  *) mod_proxy: Add proxy-sendextracrlf option to send an extra CRLF at the
     end of the request body to work with really old HTTP servers.
     [Justin Erenkrantz]

  *) util_ldap: Keep track of the number of attributes retrieved from 
     LDAP so that all the values can be properly cached even if the 
     value is NULL. PR 33901 [Brad Nicholes]
  *) mod_cache: Fix error where incoming Cache-Control would be ignored.
     [Justin Erenkrantz]

  *) mod_cache: Correctly handle originally conditional requests.
     [Sander Striker]

  *) mod_disk_cache: Correctly update cached headers on revalidated responses.
     [Sander Striker, Justin Erenkrantz]

  *) worker MPM/mod_status: Support per-worker tracking of pid and
     generation in the scoreboard so that mod_status can accurately
     represent workers in processes which are gracefully terminating.
     (major MMN bump)
     [Jeff Trawick]

  *) Correctly export all mod_dav public functions.
     [Branko Èibej <brane xbc.nu>]

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Changes with Apache 2.1.3

  *) mod_ssl: Add ssl_ext_lookup optional function for accessing
     certificate extensions.   [David Reid, Joe Orton]

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  *) Add support for use of an external PCRE library; pass the
     --with-pcre flag to configure.  PR 27550.  [Joe Orton,
     Andres Salomon <dilinger voxel.net>]

  *) Renamed regex interfaces to be namespace-safe, and moved from
     pcreposix.h header to ap_regex.h: regex_t->ap_regex_t,
     regmatch_t->ap_regmatch_t; REG_*->AP_REG_*; functions
     reg*->ap_reg*.  PR 27550.  [Andres Salomon <dilinger voxel.net>,
     Joe Orton]

  *) Only recompile buildmark.c when we have to relink httpd.
     [Justin Erenkrantz]

  *) Remove formatting characters from ap_log_error() calls.  These
     were escaped as fallout from CAN-2003-0020.
     [Eric Covener <ecovener gmail.com>]

  *) mod_cache: Fix up handling of revalidated responses.
  *) mod_disk_cache: Properly load cached ETag from on-disk structures.
     [Justin Erenkrantz]

  *) mod_authnz_ldap: Added an optional second parameter to AuthLDAPURL
     to allow it to override the connection type set in mod_ldap. This
     parameter can be set to NONE, SSL or TLS | STARTTLS.
     [Brad Nicholes]

  *) Fix --with-apr=/usr and/or --with-apr-util=/usr.  PR 29740.
     [Max Bowsher <maxb ukf.net>]

  *) mod_proxy: Fix ProxyRemoteMatch directive.  PR 33170.
     [Rici Lake <rici ricilake.net>]

  *) proxy HTTP: Rework the handling of request bodies to handle
     chunked input and input filters which modify content length, and
     avoid spooling arbitrary-sized request bodies in memory.
     PR 15859.  [Jeff Trawick]

  *) mod_proxy: Fix incorrect decoding/unescaping for reverse proxies.
     PR 32459, 15207. [Jim Jagielski]

  *) mod_cache: Add CacheStorePrivate and CacheStoreNoStore directive.
     [Justin Erenkrantz]

  *) mod_ldap: Added the directive LDAPConnectionTimeout to configure
     the ldap socket connection timeout value.  
     [Brad Nicholes]

  *) Add --enable-pie flag to configure, to build httpd as a Position
     Independent Executable where supported (GCC/binutils).
     [Joe Orton]

  *) proxy_balancer: Add in load-balancing via weighted traffic
     byte count. [Jim Jagielski]

  *) mod_disk_cache: Cache r->err_headers_out headers.  This allows CGI
     scripts to be properly cached.  [Justin Erenkrantz, Sander Striker]

  *) mod_ldap: Updated to use the new apr-util v1.1 apr_ldap_*_option()
     API for the setting of server and client SSL certificates. Replaced
     LDAPTrustedCA directive with LDAPTrustedGlobalCert and
     LDAPTrustedClientCert directives to correctly support global certs
     (CA certs / Netware client certs) and per connection client certs
     as supported by Netware, OpenLDAP and Netscape/Mozilla.
     [Graham Leggett]

  *) mod_cache: Remove unimplemented CacheForceCompletion directive.
     [Justin Erenkrantz]

  *) support/check_forensic: Fix temp file usage
     [Javier Fernandez-Sanguino Pen~a <jfs computer.org>]

  *) mod_ssl: Add SSLCADNRequestFile and SSLCADNRequestPath directives
     which can be used to configure a specific list of CA names to send
     in a client certificate request.  PR 32848. 
     [Tim Taylor <tim.taylor dfas.mil>]

  *) --with-module can now take more than one module to be statically
     linked: --with-module=<modtype>:<modfile>,<modtype>:<modfile>,...
     If the <modtype>-subdirectory doesn't exist it will be created and
     populated with a standard Makefile.in.  [Erik Abele]

  *) Remove some compiler warnings within the LDAP modules [Graham Leggett]

  *) Add a build script to create a solaris package. [Graham Leggett]

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  *) ap_http_scheme() replaced with ap_http_method() - this function
     returns the scheme (http v.s. https).
     [William Rowe]

  *) mod_proxy: Fix a request corruption problem and a buffering problem
     which sometimes prevented proxy-sendchunks from working.
     [Jeff Trawick]

  *) Fix the RPM spec file so that an RPM build now works. An RPM
     build now requires system installations of APR and APR-util.
     [Graham Leggett]

  *) Significantly simplify the load balancer scheduling algorithm
     for the proxy BalancerMember weighting. loadfactors (lbfactors)
     are now normalized with respect to each other. [Jim Jagielski]

  *) mod_dumpio: Added to the available module suite; it is an
     I/O logging/dumping module. Placed in the (new) debug module
     subdirectory. mod_bucketeer moved to that directory as well.
     [Jim Jagielski]
  *) core: Add support for APR_TCP_DEFER_ACCEPT to defer accepting
     of a connection until data is available.
     [Paul Querna]

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Changes with Apache 2.1.2

  *) mod_proxy: Respect errors reported by pre_connection hooks.
     [Jeff Trawick]

  *) worker MPM: Fix a problem which could cause httpd processes to
     remain active after shutdown.  [Jeff Trawick]

  *) core: Error out on sections that are missing an argument instead of
     silently consuming the section. PR 25460.
     [Geoffrey Young, Paul Querna]

  *) mod_cache/mod_mem_cache/mod_disk_cache: Move out of experimental.

  *) Upgraded PCRE to version 5.0. [Brian Pane]
  *) mod_cgid: Catch configuration problem where two web server instances
     share same ServerRoot but admin forgot to use ScriptSock.
     [Jeff Trawick]

  *) mod_cgi: Ensure that all stderr is logged for a script which returns
     a Location header to generate a non-local redirect.  PR 20111.
     [Joe Orton]

  *) Added the Event MPM to more efficiently handle clients during a 
     Keep Alive request.
     [Paul Querna, Greg Ames]

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Changes with Apache 2.1.1

  *) mod_proxy_http: Stream content better - always flush buffered data to
     the client before blocking waiting for new data.  PR 19954.
     [Joe Orton]

  *) mod_ssl: Add support for command-line option "-t -DDUMP_CERTS" which
     will dump the filenames of all configured SSL certificates to stdout.
     [Joe Orton]

  *) mod_disk_cache: Remove a bunch of non-implemented garbage collection
     and cache size directives that are now available through htcacheclean.
     [Justin Erenkrantz]

  *) Add htcacheclean to support/ for assistance with mod_disk_cache.
     [Andreas Steinmetz]

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