[ANNOUNCEMENT] HttpComponents Client 5.0 GA released

[Oleg Kalnichevski <ol...@apache.org>]

The Apache HttpComponents project is pleased to announce 5.0 GA
release of HttpComponents Client. 

This is the first stable (GA) release of HttpClient 5.0.

Notable changes and features included in the 5.0 series are:

* Support for the HTTP/2 protocol and conformance to requirements and
recommendations of the latest HTTP/2 protocol specification documents
(RFC 7540, RFC 7541.)

  Supported features:

    ** HPACK header compression
    ** Stream multiplexing (client and server)
    ** Flow control
    ** Response push
    ** Message trailers
    ** Expect-continue handshake
    ** Connection validation (ping)
    ** Application-layer protocol negotiation (ALPN)
    ** TLS 1.2 security features

* Improved conformance to requirements and recommendations of the
latest HTTP/1.1 protocol specification documents (RFC 7230, RFC 7231)

* New connection pool implementation with lax connection limit
guarantees and better performance under higher concurrency due to
absence of a global pool lock.

* Support for Reactive Streams API [http://www.reactive-streams.org/]

* Package name space changed to 'org.apache.hc.client5'.

* Maven group id changed to 'org.apache.httpcomponents.client5'.

HttpClient 5.0 releases can be co-located with earlier major versions
on the same classpath due to the change in package names and Maven
module coordinates.

Download - <http://hc.apache.org/downloads.cgi>
Release notes - <
https://www.apache.org/dist/httpcomponents/httpclient/RELEASE_NOTES-5.0.x.txt
>

HttpComponents site - <http://hc.apache.org/>

About HttpComponents HttpClient

The Hyper-Text Transfer Protocol (HTTP) is perhaps the most significant
protocol used on the Internet today. Web services, network-enabled
appliances and the growth of network computing continue to expand the
role of the HTTP protocol beyond user-driven web browsers, while
increasing the number of applications that require HTTP support.

Although the java.net package provides basic functionality for
accessing resources via HTTP, it doesn't provide the full flexibility
or functionality needed by many applications. HttpClient seeks to fill
this void by providing an efficient, up-to-date, and feature-rich
package implementing the client side of the most recent HTTP standards
and recommendations.

Designed for extension while providing robust support for the base HTTP
protocol, HttpClient may be of interest to anyone building HTTP-aware
client applications such as web browsers, web service clients, or
systems that leverage or extend the HTTP protocol for distributed
communication.



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