News

This page isn't maintained very well. If you want know whether this project is active (very much), checkout the GIT history.

Jan 22, 2007 Jan 22, 2007 Finished initial port to Win64/AMD64, unleashing 64-bit Prolog to the Windows platform. Download from here.

Aug 31, 2006 Aug 31, 2006 Added packages zlib and new libraries error.pl and pairs.pl.

Aug 31, 2006 Aug 31, 2006 Added packages PlDoc providing source-code documentation and in integrated web-based browser for the manual and package documentation and PlUnit, providing a simple unit-test framework.

April 19, 2006 April 19, 2006 Paulo Moura created a binary for Macs on intel. Available from the download page.

April 07, 2006 April 7, 2006 Released SWI-Prolog 5.6.10 in the stable branch. Graphical frontend for the cross-referencer. Support Prolog source written in Unicode scripts that are have no Upper/lower case, support multiple monitors in XPCE.

March 08, 2006 March 8, 2006 Released SWI-Prolog 5.6.7 in the stable branch. Bugfixes, new literal indexing structure for the semantic web library, clp(q), thread-support in CHR library, fixes MacOS input problems in XPCE.

December 22, 2005 December 22, 2005 Released SWI-Prolog 5.6.0 in the stable branch, featuring UNICODE character set, unbounded integer arithmetic, rational arithmetic, much enhanced CHR constraint library and clp(r).

November 29, 2005 November 29, 2005 Released SWI-Prolog 5.5.39 in the development branch. If no major issues come up the next release will be 5.6.0 and will be released in the week 19-23 december 2005

February 21, 2005 February 21, 2005 Released SWI-Prolog 5.4.7 in the stable and 5.5.7 in the development branch. Fixes a serious problem in saved states with multifile predicates. For 5.5.7 there are various wide-character issues (notably XPCE), improved error context and many small issues.

February 11, 2005 February 11, 2005 Released SWI-Prolog 5.5.6 in the development branch. Provide 64 bit Prolog integers on 32-bit platforms.

January 27, 2005 January 27, 2005 Released SWI-Prolog 5.5.4 in the development branch. Provides wide-character (UNICODE) support for a large part of the system and packages as well as clp(R) constraints over real numbers.

October 02, 2004 October 02, 2004 Released SWI-Prolog 5.4.2, fixing an important bug in the garbage collector concerning destructive assignment (setarg/3, backtrackable global variables and attributed variables).

September 21, 2004 September 21, 2004 Released SWI-Prolog 5.4.0, consolidating the 5.3.x development branch.

August 21, 2004 August 21, 2004 Released SWI-Prolog 5.3.19. Patches to attributed variable handling in recorded database (findall/bagof/setof), cycle-safe and handling of attributed variables is in =@= and much faster implementation of thread communication queues on MS-Windows sponsored by SSS.

August 17, 2004 August 17, 2004 Released SWI-Prolog 5.3.18 and version 0.2.0 of the SeRQL (Sesame RDF Query Language) server and client software. Prolog improvements are mostly to the HTTP and RDF libraries.

June 29, 2004 June 29, 2004 Released SWI-Prolog 5.3.13 in the development branch. Fixes various minor problems. Added library(ssl), experimental interface for SSL (secure sockets). Sponsored by SSS.

May 27, 2004 May 27, 2004 Released SWI-Prolog 5.3.11 in the development branch. Various patches. First release (for Windows and Unix/ELF systems) integrated with JPL, the Prolog/Java interface by Paul Singleton and Fred Dushin.

April 16, 2004 April 16, 2004 Released SWI-Prolog 5.3.9 in the development branch. Various patches. Provide for building as shared object on GNU/ELF systems (configure --enable-shared)

January 29, 2004 January 29, 2004 Released SWI-Prolog 5.2.13. Bugfixes. Patch to the atom-garbage collector using threaded code on Unix platforms. Fixed a bug in saved-states triggered by changes betweem 5.2.11 and 5.2.12. Some minor stuff.

August 19, 2003 August 19, 2003 Uwe Lesta has created a demo N-Queens program using multi-threaded SWI-Prolog in a .NET server. The web-page allows for alternative solutions by forcing backtracking on the Prolog thread handling a session. Source code is included.

May 27, 2003 May 27, 2003 Released SWI-Prolog 5.2.0, consolidating multi-threaded execution, many fixes and new libraries distributed in the 5.1.x beta series.

September 25, 2002 September 25, 2002 Released SWI-Prolog 5.0.10/XPCE 6.0.10. Fixes of bugs you found in the holiday period. Mostly the SGML/XML library and ODBC library. Also (especially) socket handling in XPCE.

February 4 2002 February 4 2002 Released version 5.0.0. XPCE/SWI-Prolog is now Free Software, with statements to allow for the generation of proprietary applications. Please check out the new license conditions. We have also arranged a permanent location on the internet at http://www.SWI-Prolog.org/.

We plan so speedup the development of XPCE/SWI-Prolog, turning it into a self-supporting project, based on services and sponsoring. Details will be announced shorty.

The Windows plwin.exe now has a menu-bar leading you to the important features and web-pages of the system. For the Unix version these facilities have also be added to the XPCE-based help-browser started with ?- help. Many more small improvements to the integration of the GUI development environment have been added.

The GUI look-and-feel of XPCE on Unix/X11 now incorporates many GTK features, thereby also improving compatibility to the Windows version.

January 14 2002 Volker Wysk made the first version of a new C++ interface available. See http://www.volker-wysk.de/swiprolog-c++/index.html.

December 10 2001 Started overview of your SWI-Prolog applications. View already registered applications and register your own.

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