PLNews: Programming Language News

CHICKEN 4.1.0rc1 has been released. CHICKEN is a portable Scheme compiler that emits C code.

Gambit-C v4.4.4 has been released. Gambit-C includes a Scheme interpreter, and a Scheme compiler that emits portable C code.

GNU Guile 1.9.0 (alpha) has been released. Guile is a Scheme interpreter available as a library, designed for embedding within other applications.

This release includes: a compiler and a virtual machine, new modules, a new REPL implementation, new procedures, improvements to the psyntax expander, updates to the C interface, a switch of the license to the LGPLv3 or later, and other changes.

IronScheme 1.0 beta 3 has been released. It aims to be an R6RS Scheme implementation for the .NET DLR.

This release includes: improved R6RS compliance, compiler optimizations, improved exactness of numbers, and other changes.

Mosh 0.1.0 has been released. It is an R6RS Scheme interpreter.

This release includes: R6RS compliance, a new reference manual, a socket API, a FFI, support for building on Windows using Visual C++ and MinGW, optimizations, and other changes.

Gambit-C v4.4.3 has been released. Gambit-C includes a Scheme interpreter, and a Scheme compiler that emits portable C code.

This release includes: fixes for problems when the system is compiled on Windows, the avoidance of deadlock when a trace is interrupted by the user with CTRL-C, bug fixes, and other changes.

CHICKEN 4.0.0 has been released. CHICKEN is a portable Scheme compiler that emits C code.

This release includes: the replacement of PCRE with IrRegex, a rewrite of the macro system, a module system supporting hygienic macros, optimization improvements, improved Windows support, experimental support for cross-module inlining, bug fixes, and other changes.

PLT Scheme v4.1.5 has been released. PLT Scheme is a family of Scheme implementations, including DrScheme and MzScheme.

This release includes: Web Server and Scribble improvements, improved support for units and contracts, new language levels and teachpacks, the new 'bitwise-bit-field' function, bug fixes, and other changes.

Gambit-C v4.4.2 has been released. Gambit-C includes a Scheme interpreter, and a Scheme compiler that emits portable C code.

This release includes: improvements to ANSI C mode, the addition of the ##load-object-file procedure, improved pretty-printing of deeply nested lists, faster digest computation, bug fixes, and other changes.

The results of the recent Scheme Steering Committee election are now available. The new committee consists of: Marc Feeley, Jonathan A Rees and William D Clinger.

It has been announced that historic releases of Gabmit Scheme are now available online.

Gambit-C v4.4.1 has been released. Gambit-C includes a Scheme interpreter, and a Scheme compiler that emits portable C code.

This release includes: documentation updates, memory leak fixes, improved Emacs keybindings for the REPL, improved decompilation of quasiquotes, bug fixes, and other changes.

It has been announced that the next meeting of the Montreal Scheme/Lisp User Group will be held on February 26, 2009. Marc-Antoine Desroches will present about VLAM Compyle.

IronScheme 1.0 Beta 2 has been released. It aims to be an R6RS Scheme implementation for the .NET DLR.

This release includes: the addition of a new LINQ library, P/Invoke support, compiler optimizations, reduced memory usage, bug fixes, and other changes.

Scheme Workshop 2009 has put out a call for papers. "The purpose of the workshop is to report experience with the Scheme family of programming languages, to foster collaboration among the members of the community, and to present research related to Scheme and functional programming."

The submission deadline is June 5, 2009. The workshop will be held on August 22, 2009, in Cambridge, Massachusetts.

PLT Scheme 4.1.4 has been released. PLT Scheme is a family of Scheme implementations, including DrScheme and MzScheme.

This release includes: new libraries, new teaching support, Redex support for automatic test-case generation, improved memory-limit tracking, native debugging backtraces on x86-64, performance improvements, library improvements, and other changes.

Bigloo 3.2a has been released. Bigloo aims to be a practical Scheme implementation.

This release includes: a new mail API, new compiler optimizations, new system APIs, new makefiles that support parallel compilation, bug fixes, and other changes.

Gambit-C v4.4.0 has been released. Gambit-C includes a Scheme interpreter, and a Scheme compiler that emits portable C code.

This release includes: documentation updates, the addition and generalization of some REPL comma commands, installation improvements, bug fixes, and other changes.

GNU Guile 1.8.6 has been released. Guile is a Scheme interpreter available as a library, designed for embedding within other applications.

This release includes: support for single-stepping through code from Emacs, a new man page, a number of bug fixes, and other changes.

An updated version of Scheme 9 from Empty Space has been released. It is an R4RS Scheme interpreter.

This update includes a simpler infrastructure for primitive procedures.

Gambit-C v4.3.2 has been released. Gambit-C includes a Scheme interpreter, and a Scheme compiler that emits portable C code.

This release includes: an updated Xlib-simple example showing how to process X11 events, the addition of a check for consistency of lib/gambit#.scm, and other changes.

Gambit-C v4.3.1 has been released. Gambit-C includes a Scheme interpreter, and a Scheme compiler that emits portable C code.

This release includes: the addition of a -debug-location, improvements to the elementary math functions for complex and exact arguments, networking subsystem updates, improved X11 support, bug fixes, documentation updates, and other changes.

PLT Scheme 4.1.3 has been released. PLT Scheme is a family of Scheme implementations, including DrScheme and MzScheme.

This release includes Web Server improvements and other changes.

It has been announced that the next Montreal Scheme/Lisp User Group meeting will be held on November 27, 2008. Guillaume Cartier will be releasing a closed beta of the Gambit-based version of JazzScheme to the user group participants.

PLT Scheme 4.1.2 has been released. PLT Scheme is a family of Scheme implementations, including DrScheme and MzScheme.

This release includes bug fixes.