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Jigsaw is W3C's leading-edge Web server platform, providing a sample HTTP 1.1 implementation and a variety of other features on top of an advanced architecture implemented in Java. The W3C Jigsaw Activity statement explains the motivation and future plans in more detail. Jigsaw is an W3C Open Source Project, started May 1996.

New Features:

Support for more XML Parsers in the Resources deserialization code

* Added support for connection reuse policies in the Client stack.
* Added a default policy to reuse the same connection when the thread matches (in HttpBasicConnection)
* Added a socket timeout on request parsing, to avoid having it linked to request timeout
* The Servlet runner thread now use the server timeout mechanism to interrupt the running thread when the server is closing the request on timeout.
* Added a method to print Dates in ISO 8601 format without milliseconds
* Added a "detach" method to HttpBasicConnection to remove a connection from the list of used client connections but without closing the socket immediately (used when the client hits a HTTP/1.0 server that doesn't send Content-Length).