- <notes>+ Added experimental thread safety for builds linking against libcurl-gnutls
-+ Improved the chunked decoder
-+ Added clone support to HttpRequest objects
-
-- License changed from PHP license to revised BSD license!
-- HttpMessage properties are not accessible by reference or array index/key!
-- HttpRequest history logging is disabled by default!
-- HttpRequestPool is not clonable!
-
-* Fixed a bug where HttpRequest warnings were hidden within the HttpRequestPool
-* Fixed shared build within the PHP source tree
-* Fixed parallel build with ext/zlib on Win32
-* Fixed object deallocation
-* Fixed http_support() pretending no support for SSL in non-threadsafe builds
-* Fixed the message parser to not choke on headers containing HTTP/1.x
-* Fixed access to protected HttpMessage properties in extending classes
-* Fixed lots of tests for the changed HTTP header order in PHP-5.1
+ <notes>o Improved new persistent handles functionality
+ - Removed --enable-http-persistent-handles
+ + Added http.persistent.handles.limit system INI option which controls
+ the maximum amount of idle persistent handles kept around (per provider);
+ 0 means every handle is destroyed after usage (i.e. disabled),
+ -1 means virtually unlimited maximum amount of idle handles (default)