Release 3.0.1
-------------------
Changes since Release 3.0:

 * 38636 - Calling HttpState.clearCookies() is now safe from a different thread.
           Contributed by Peter Dolberg <observewisdom at yahoo.com>

 * 38385 - Fixed NPE when creating URI from scheme specific part with null fragment
           Contributed by Michele Vivoda <vivodamichele at hotmail.com>

 * 38043 - Digest URI changed to include query parameters
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 38004 - Fixed bug causing cyclic redirects when virtual host is set
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 38139 - Calling deprecated MultiThreadedHttpConnectionManager.setMaxTotalConnections(int) 
           had no effect
           Contributed by Ortwin Glueck <oglueck at apache.org>

 * 37988 - Fixed bug in URI#toString() causing user name / password to 
           stripped from the resultant String
           Contributed by Oleg Kalnichevski <olegk at apache.org>

Release 3.0 
-------------------
New features:
-------------------

(1) Architecture

 * New preference architecture

 * Improved exception handling framework

 * Granular non-standards configuration and tracking
 
 * Improved HTTP Version configuration and tracking
 
 * Support for streaming entities

 * Support for tunneled HTTP proxies via the ProxyClient

 * Ability to abort execution of HTTP methods

(2) Connection management

 * Support for closing idle connections

 * Support for JDK1.4 connect timeout through reflection

 * Support for connection manager shutdown
 
(3) Authentication

 * Improved authentication framework

 * Plug-in mechanism for authentication modules
 
 * Interactive authentication support
 
 * Alternate authentication support

(4) Cookie management

 * Cookie specification plug-in mechanism

 * 'Ignore cookies' cookie policy

 * Improved Netscape cookie support

(5) Redirects

 * Cross-site redirect support

-------------------
Changes since Release Candidate 4:

 * 37526 - Fixed incorrect processing of HTTP parameters with an 
           empty name
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 37256 - Fixed bug causing MultipartRequestEntity to miscalculate the 
           total content length if any of the parts returns a negative
           content length value
           Contributed by Loïc Péron <loic.peron at bigfoot.com>

 * 37197 - Preemptive auth flag no longer disregarded when tunneling 
           SSL connections via a proxy
           Contributed by wynand <wolman at gmail.com>

 * 37154 - UsernamePasswordCredentials.equals(null) no longer causes NPE
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 37129 - HttpConnection changed to use a protocol socket factory registered 
           for 'http' protocol instead of DefaultProtocolSocketFactory when 
           connecting to a proxy to establish a secure tunnel
           Contributed by Oleg Kalnichevski <olegk at apache.org>

Release 3.0 Release Candidate 4
-------------------
Changes since Release Candidate 3:

 * 36882 - Max connections per host setting did not work
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 36791 - Fixed HttpConnection#isOpen flag concurrency problem
           Contributed by Jean-Marie White <jmwhite5 at yahoo.com>

 * 36339 - Request is no longer retried if preemptive authentication fails
           and Basic is the only supported authentication scheme advertised
           by the target server
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 36372 - nonce-count in digest auth should not be quoted
           Contributed by Ortwin Glueck <oglueck at apache.org>
           
 * 36369 - Custom Proxy-Connection header no longer gets overwritten
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 36595 - Do not attempt to retry aborted methods
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 36140 - ParameterParser changed to correctly differentiate between empty and 
           null (no value) parameters
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 35085 - HTTP 204 "NO CONTENT" response no longer results in dropped 
           connection.
           Contributed by Ian Bray <Ian.Bray at logicacmg.com>

 * 35944 - Connection always gets released back to the pool even if an unchecked 
           exception is thrown in HttpMethod#releaseConnection method.
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 35642 - Do not retry if host is unreachable. This ensures a connection timeout
           will be obeyed.
           Contributed by Ortwin Glueck <oglueck at apache.org>
           
 * 35815 - SimpleHttpConnectionManager now logs warnings when it detects it is
           being used incorrectly. 
           Contributed by Michael Becke <mbecke at apache.org>

Release 3.0 Release Candidate 3
-------------------
Changes since Release Candidate 2:

 * 35365 - Added #hashCode and #equals methods for Credentials implementations
           Contributed by Eric Johnson <eric at tibco.com>

 * 35322 - Stale connection check now correctly works with IBM JSSE/JRE 1.4.x
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 35225 - Fixed a major problem with the browser compatibility policy leaking cookies 
           to 3rd party domains (.mydomain.com -> .notmydomain.com)
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 35328 - DateUtil#formatDate changed to US locale instead of system default
           Contributed by Yannick <yannick at meudal.net>

 * 34960 - DigestScheme changed to take into account charset attribute when available 
           (Known to be used by Microsoft implementation of the Digest auth scheme)
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 35148 - HttpClient now correctly handles relative URIs beginning with a colon.
           Contributed by Gordon Mohr <gojomo at archive.org>

 * 34961 - HttpClient now correctly handles escaped characters in HTTP header elements
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 34780 - HttpClient now always overrides the host of HostConfiguration if an absolute 
           request URI is given
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 34740 - Connection with the proxy is not reopened if an proxy auth failure occurs 
           while SSL tunnel is being established
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 34721 - Virtual host setting is now correctly applied when parsing and matching 
           cookies
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 34583 - DateUtil.formatDate() changed to use GMT instead of the default timezone
           Contributed by Fred Bierhaus <fred.bierhaus at vodafone.com>

 * 34459 - Always use the chunk encoding when request content length cannot be 
           determined (is negative)
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 34427 - Fixed the bug causing an IllegalStateException in AuthState
           triggered by the combination of preemptive proxy authentication 
           and a cross-site redirect
           Contributed by Oleg Kalnichevski <olegk at apache.org>

Release 3.0 Release Candidate 2
-------------------
Changes since Release Candidate 1:

 * 34255 - Preemptive authentication no longer causes NTLM auth scheme to fail
           Contributed by Michael Becke <mbecke at apache.org>

 * 33720 - Fixed the problem with HttpMethod#getURI applying URL escaped encoding to
           already encoded URIs
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 34262 - Fixed broken handling of responses that may not include an entity body
           (status code 204, 304)
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * ----- - Fixed broken InputStreamRequestEntity#isRepeatable method
           Contributed by Matthew-J Watson <matthew-j.watson at db.com>

 * 33677 - Fixed the bug preventing the HTTP retry handler from handling
           ConnectionExceptions
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 33988 - All classes overriding Object#hashCode & Object#equals methods have been reviewed 
           regarding their hashCode/equals contract compliance
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 33947 - Exception in HttpConnection because of unchecked buffer size
           Contributed by Ortwin Glueck <oglueck at apache.org>
 
 * 33856 - Fixed the problem with the credential-charset parameter not having an effect on
           the encoding of the NTLM credentials
           Contributed by Oleg Kalnichevski <olegk at apache.org>
 
 * 33541 - Fixed the problem with host level parameters having no effect on HTTP CONNECT 
           methods
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 33468 - HttpClient no longer flushes the request line and request headers prior to 
           writing the request body if the 'expect: continue' handshake is not used
           Contributed by Peter Tolmachov <peter.tolmachov at agfa.com>

Release 3.0 Release Candidate 1
-------------------
Changes since Beta 1:

 * 32833 - Cookie with domain .mydomain.com were not sent to host mydomain.com
           in the browser compatibility mode
           Contributed by David D. Kilzer <ddkilzer at kilzer.net>

 * 33021 - Fixed the bug causing the circular redirect if different query parameters
           are used in the redirect location.
           Contributed by Ilya Kharmatsky <ilyak at mainsoft.com>

 * 32955 - Fixed the bug effectively disabling the stale connection check
           Contributed by Oliver Koell <oko at newbase.de>

 * 32835 - The two digit year greater than 20 no longer causes the cookie expiry date 
           to be interpreted as a date between 1920 and 1999
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 32607 - Fixed the problem with ReflectionSocketFactory ignoring the local address of 
           HostConfiguration
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 32409 - HttpState now has new methods for clearing all cookies and credentials.
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 32558 - Fixed retry count bug in DefaultMethodRetryHandler
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 32333 - Connection is now closed upon "Connection: close" request,
           if the server does not include an explicit connection 
           directive in the response.
           Contributed by Oleg Kalnichevski <olegk at apache.org>
 
 * 32765 - Fixed NullPointerException in HostConfiguration.setHost(Sting)
           Contributed by Stuart Herring <apache at stuartherring.com>

 * 32742 - Fixed the problem with SO_TIMEOUT parameter having no effect
           on the method level.
           Contributed by Ilya Kharmatsky <ilyak at mainsoft.com>

Release 3.0 Beta 1
-------------------
Changes since Alpha 2:

 * 31929 - Added support for formatting dates. Deprecated DateParser in 
           favor of DateUtil.
           Contributed by Michael Becke <mbecke at apache.org>

 * ----- - HostConfiguration.isHostSet() and Hostconfiguration.isProxySet() have been 
           deprecated.

 * 31981 - Fixed the bug causing an infinite loop in HttpMethodDirector
           when using SSL + proxy + host auth + keep alive off
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 31607 - Catch SocketTimeoutException not InterruptedIOException when running 
           in JRE >=1.4
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 31471 - HostConfiguration refactored
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * ----- - ContentLengthInputStream no longer supports mark() & reset() methods. Old 
           broken implementation removed.
           Contributed by Eric Johnson <eric at tibco.com>

Release 3.0 Alpha 2
-------------------
Changes since Alpha 1:

 * 10793 - Configurable default headers
           Contributed by Oleg Kalnichevski <olegk at apache.org>
           
 * 30652 - Configurable SO_LINGER
           Contributed by Oleg Kalnichevski <olegk at apache.org>
           
 * 31163 - CookieSpec classes made stateful
           Contributed by Oleg Kalnichevski <olegk at apache.org>
           
 * 21329 - Added input buffering to improve performance
           Contributed by Bjarne Rasmussen <brasmussen at novell.com>

 * 29897 - Connection output buffer is set to a value not greater than 2k
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 29636 - MultiThreadedHttpConnectionManager now support configuring the maximum
           number of connections on a per host basis.
           Contributed by Michael Becke <mbecke at apache.org>

 * 29874 - Deprecated old HTTP method retry handler based on HttpRecoverableException
           and replaced it with a new one that acts upon plain IOExceptions
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 29883 - Fixed handling of multi-byte characters in the StringRequestEntity class
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 29383 - Added method to delete closed connections from the connection pool
           Contributed by Michael Becke <mbecke at apache.org>

 * 29549 - Split wire log into header and body parts
           Contributed by Michael Becke <mbecke at apache.org>

 * 29540 - Fixed credentials scope matching algorithm in HttpState#matchCredentials.
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 29439 - Cleaner interface to define authentication scope, handle credentials in HttpState.
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 29377 - Cookies with names containing blanks or starting with $ rejected by RFC2109 spec only.
           Contributed by Oleg Kalnichevski <olegk at apache.org>

Release 3.0 Alpha 1
-------------------
Changes compared to version 2:

 * 29265 - HttpConnection.isOpen() no longer logs closed connections as stale.

 * 28645 - Moved/added content type handling to the RequestEntity.
           Contributed by Michael Becke <mbecke at apache.org>, Oleg Kalnichevski <olegk at apache.org>

 * 20288 - Added ability to abort execution of HTTP methods
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 24154 - Socket timeout can be specified at the connection manager, connection or method level
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 16124 - HTTP protocol version can be specified at the client, host or method level
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 28728 - HttpUrl now accepts unescaped passwords
           Contributed by Michael Becke <mbecke at apache.org>

 * 28626 - Fixed ArrayIndexOutOfBoundsException in HttpStatus.getStatusText()
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 26070 - Added support for streaming entities
           Contributed by Michael Becke <mbecke at apache.org>

 * 28566 - CookieSpec interface extended to expose path & domain matching methods; browser compatibility domain
           matching algorithm modified to mimic the (mis-)behavior of common browsers
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 25372 - Added support for closing idle connections
           Contributed by Michael Becke <mbecke at apache.org>, Oleg Kalnichevski <olegk at apache.org>

 * 28322 - Redesign of connect timeout logic; Added support for JDK1.4 connect timeout through reflection
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 28151 - Added stand-alone support for tunneled HTTP proxies via the ProxyClient
           Contributed by Michael Sample <m_sample at canada.com>, Michael Becke <mbecke at apache.org>

 * 21216 - Fixed the problem of redirect 302 to the same URL causing max redirects exception: circular redirect 
           check added; the circular redirect check is on per default and in lenient mode, is off in strict mode
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 27589 - Added MultiThreadedHttpConnectionManager shutdown() and shutdownAll()
           Contributed by Michael Becke <mbecke at apache.org>
 
 * 25529 - Redesign of HTTP authentication framework
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * Better implementation of ChunkedOutputStream: writes are buffered to an internal buffer (2048 default size); 
   chunks are guaranteed to be at least as large as the buffer size (except for the last chunk) 
           Contributed by Mohammad Rezaei <mohammad.rezaei at gs.com>, Goldman, Sachs & Co

 * HttpMethod#getResponseBody & HttpMethod#getResponseBodyAsString changed to propagate IOException to the caller 
   instead of logging and discarding it
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 10794 - Added interactive authentication support; Authentication realm key is now comprised of host name, port, 
           realm name and authentication type
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 15297 - Added ability to perform alternate authentication
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 16881 - HttpClient made dependent on Commons-codec to perform Base64 and URL encoding/decoding
           Contributed by Michael Becke <mbecke at apache.org>, Oleg Kalnichevski <olegk at apache.org>

 * 24560 - Fixed the problem of HttpClient looping endlessly while trying to retrieve status line
           Contributed by Christian Kohlschuetter <ck at rrzn.uni-hannover.de>

 * 24671 - Added support for configuring charsets in credentials and HTTP headers
           Contributed by Michael Becke <mbecke at apache.org>

 * Plug-in mechanism for authentication modules
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * Added infrastructure to create test cases that involve use of a proxy
           Contributed by Ortwin Glueck <oglueck at apache.org>

 * UserNamePasswordCredentials & NTCredentials made immutable
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 24869 - DigestScheme now only accepts a challenge if all fields required by RFC 2617 are present
           Contributed by Ortwin Glueck <oglueck at apache.org>

 * New framework for server based tests
           Contributed by Christian Kohlschuetter <ck at rrzn.uni-hannover.de>, Ortwin Glueck <oglueck at apache.org>

 * Socket input stream now wrapped with a wrapper class that re-throws certain type of generic IO exceptions as HttpClient
   specific exceptions. Improved handling of 'used' connections (known to have successfully completed an I/O operation).
           Contributed by Oleg Kalnichevski <olegk at apache.org>
 
 * 24012 - Added IgnoreCookiesSpec.
           Contributed by Michael Becke <mbecke at apache.org>

 * 24018 - Cookie and Authorization headers can now be set manually.
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 21151 - Cookie specification plug-in mechanism
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * Reworked DigestScheme: the qop Parameter is parsed correctly and not just ignored; missing qop is handled correctly
           Contributed by Ortwin Glueck <oglueck at apache.org>

 * 10790 - Implemented granular non-standards configuration and tracking.
           Contributed by Oleg Kalnichevski <olegk at apache.org>, Michael Becke <mbecke at apache.org>,
           Roland Weber <rolweber at de.ibm.com>, Ortwin Glueck <oglueck at apache.org>, 
           Adrian Sutton <adrian.sutton at ephox.com>

 * 15435 - Implemented new preference architecture.
           Contributed by Oleg Kalnichevski <olegk at apache.org>, Michael Becke <mbecke at apache.org>,
           Roland Weber <rolweber at de.ibm.com>, Ortwin Glueck <oglueck at apache.org>, 
           Adrian Sutton <adrian.sutton at ephox.com>

 * Deprecated the use of system properties: 'httpclient.useragent', 
   'httpclient.authentication.preemptive'. 

 * Refactored NameValuePair#equals method.
           Contributed by Ortwin Glueck <oglueck at apache.org>

 * 16729 - Refactored retry/redirect/authentication logic.
           Contributed by Michael Becke <mbecke at apache.org>

 * Added support for disabling HttpConnection.isStale()
           Contributed by Michael Becke <mbecke at apache.org>

 * 10791 - Improved HTTP Version configuration and tracking.
           Contributed Oleg Kalnichevski <olegk at apache.org>, Laura Werner <laura at lwerner.org>, 
           Michael Becke <mbecke at apache.org>

 * 21880 - Content-Length & Transfer-Encoding request headers formerly set by abstract 
           HttpMethodBase class are handled by entity enclosing methods.
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 17947 - HttpMethod#setURI method added.
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 19618 - URI constructors refactored.
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 11240 - Fixed the problem of cookies with ',' in the value string not parsed correctly in some cases
           Contributed by Oleg Kalnichevski <olegk at apache.org>

 * 21323 - Support for large(long) content added
           Contributed by Michael Becke <mbecke at apache.org>

 * 19868 - Exception handling framework reworked.
           Contributed by Adrian Sutton <adrian.sutton at ephox.com>, Laura Werner <laura at lwerner.org>, 
           Oleg Kalnichevski <olegk at apache.org>, Michael Becke <mbecke at apache.org>

 * 21210 - Header parser completely rewritten.
           Improved handling of Netscape draft compatible cookies
           Contributed by Oleg Kalnichevski <olegk at apache.org>