PLNews: Programming Language News

SWI-Prolog 5.6.22 has been released. SWI-Prolog is a portable, open-source Prolog implementation.

This release includes: the addition of library(random), Unicode-related bugfixes, plus other changes and fixes.

Logtalk 2.28.1 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: support for using XML entities in info/1 documenting directives for the "author", "copyright", and "license" keywords; updated Logtalk bibliographic references; plus other changes and fixes.

SWI-Prolog 5.6.21 has been released. SWI-Prolog is a portable, open-source Prolog implementation.

This release includes: portability enhancements, floor/1 and ceil/1 fixes, and improvements to the Semweb package.

Logtalk 2.28.0 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: experimental support for multithreaded programming, improved support for defining meta-predicates, better integration with several Prolog compilers, plus other changes and bugfixes.

B-Prolog 6.9 has been released. It is "an efficient implementation of Prolog with extensions including CLP(FD), tabling, and action rules."

This release includes: a new memory manager, action rule language support for conjunctive and disjunctive channels, improved ISO compliance, plus other changes and fixes.

SWI-Prolog 5.6.20 has been released. SWI-Prolog is a portable, open-source Prolog implementation.

This release includes: PlDoc improvements, better ODBC error handling, plus other changes and fixes.

Yield Prolog 0.9.0 has been released. Yield Prolog allows for the embedding of Prolog into Python or C# programs using the 'yield' keyword.

SWI-Prolog 5.6.19 has been released. SWI-Prolog is a portable, open-source Prolog implementation.

This release includes: PlDoc improvements, a port of library(heaps), plus other changes and bugfixes.

Robert Virding has announced that a new release of Erlog is available. Erlog is an implementation of Prolog written in, and for, Erlang.

This release includes: speed enhancements, an improved Prolog parser, a new continuation-based interface, plus other changes.

SWI-Prolog 5.6.18 has been released. SWI-Prolog is a portable, open-source Prolog implementation.

This release includes: the first version of the PlUnit testing framework, a number of bugfixes, plus other changes.

SWI-Prolog 5.6.17 has been released. SWI-Prolog is a portable, open-source Prolog implementation.

This release includes: new date and time support, documentation improvements, bugfixes, and other changes.

SWI-Prolog 5.6.16 has been released. SWI-Prolog is a portable, open-source Prolog implementation.

This release includes: a bugfix in library(prolog_stack), plus other changes.

It has been announced that "The First 10 Prolog Programming Contests", by Bart Demoen, Phuong-Lan Nguyen, Tom Schrijvers, and Remko Tronçon, is now available for download.

It includes the questions from the first ten Prolog programming contests, along with answers.

SWI-Prolog 5.6.15 has been released. SWI-Prolog is a portable, open-source Prolog implementation.

This release includes: environment enhancements, quick load and saved-state support for GMP unbounded integers, plus other changes and fixes.

SWI-Prolog 5.6.14 has been released. SWI-Prolog is a portable, open-source Prolog implementation.

This release includes: a fix for an object-loading compatibility issue in XPCE, a fix for a bug that causes http_open/3 to hang, plus other fixes.

Robert Virding has announced the availability of Erlog, an interpreter for a subset of Prolog implemented in Erlang.

YProlog 0.5 has been released. YProlog is a Prolog engine written in Java.

This release includes: parser support for UTF-8 extended characters, the addition of a parameter type to toPrologTable, the addition of assertTable, plus a number of bugfixes.

SWI-Prolog 5.6.12 has been released. SWI-Prolog is a portable, open-source Prolog implementation.

This release fixes a crash when calling Prolog from C.

SWI-Prolog 5.6.9 has been released. SWI-Prolog is a small, comprehensive, open-source Prolog environment.

This release includes: bugfixes, a clean-up of the XREF core library, documentation improvements, and more.

SWI-Prolog 5.6.7 has been released. SWI-Prolog is a small, comprehensive, open-source Prolog environment.

This release includes: proper input handling on Mac OS X, transparent support for multithreading in CHR, new and faster literal support, plus other changes.