PLNews: Programming Language News

Logtalk 2.33.0 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: improved support for using Prolog module libraries, improved performance for multithreaded applications, support for the ensure_loaded/1 and set_prolog_flag/2 directives, bug fixes, and other changes.

Logtalk 2.32.1 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: changes to the representation of the runtime tables for loaded entities; updated support for SWI-Prolog, CxProlog, K-Prolog and B-Prolog; documentation updates; bug fixes; and other changes.

B-Prolog 7.1 has been released. B-Prolog is a Prolog implementation with extensions for concurrency, constraints, interfacing with C and Java, and interactive graphics.

This release includes: performance improvements; improved memory management; new propagators for non-linear, global and disjunctive constraints; new examples; bug fixes; and other changes.

SWI-Prolog 5.6.56 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: garbage collector improvements, support for processing files in limited space using DCGs, performance improvements, bug fixes, and other changes.

Logtalk 2.32.0 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: documentation updates, improved support for compiling large files with many objects, multithreading improvements, bug fixes, and other changes.

Logtalk 2.31.6 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: improved support for several text editors and syntax highlighters, updated YAP and SWI-Prolog config files, bug fixes, and other changes.

SWI-Prolog 5.6.55 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: the renaming of hash_term/2 to term_hash/2, the addition of term_hash/4, the addition of several missing ordered set operations, PlUnit enhancements, bug fixes, and other changes.

Logtalk 2.31.5 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: support for checking arithmetic expressions for calls to non-portable functions, updated implementation of the thread/1 built-in predicate, new multi-threading examples, documentation updates, bug fixes, and other changes.

SWI-Prolog 5.6.54 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: portability to big-endian machines, and a CHR fix.

SWI-Prolog 5.6.53 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: performance improvements, a new at_exit(:Goal) option for threads, hash_term/2 changes, and more.

SWI-Prolog 5.6.51 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: CHR and clp(fd) updates, a new toplevel prompting style, documentation updates, bug fixes, and other changes.

Logtalk 2.31.4 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: improved multi-threading support, new multi-threading examples, bug fixes, and other changes.

SWI-Prolog 5.6.50 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: the addition of subsumes/2 and subsumes_chk/2 as new builtins, the addition of library(aggregate), the addition of map_list_to_pairs/3 to library(pairs), the addition of min_list/2 and max_list/2 to library(lists), better checking of DCG handling, the addition of rexport/[1,2], plus other changes.

Logtalk 2.31.3 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: improved support for the encoding/1 directive, improved Quintus Prolog integration, updated installer and integration scripts for detecting outdated Logtalk user data folders, and other changes.

Logtalk 2.31.2 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: updated support for the encoding/1 directive, compatibility with CxProlog 0.96.3 and SICStus Prolog 4.0, and improved support for YAP and SWI-Prolog.

Planet Prolog has been announced. It is a blog aggregator drawing from blogs that discuss Prolog and logic programming.

Logtalk 2.31.0 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: new category functionality; revamped compiler hooks support; a new built-in protocol for term and goal expansion predicates; new and updated examples; updated support for B-Prolog, CxProlog, K-Prolog, XSB and YAP.

SWI-Prolog 5.6.47 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: new partition/4,5, append/2, include/3, exclude/3, and merge_options/3 library predicates; documentation updates; bug fixes; and other changes.

Logtalk 2.30.8 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes a fix for a bug in the compilation of synchronized predicates on single-threaded Prolog compilers.

Logtalk 2.30.6 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: improved multithreading support, improved Unicode support, the renaming of several compiler options for clarity, and other changes.