PLNews: Programming Language News

Wraith Scheme 1.33 has been released. It is an R5RS Scheme implementation for Mac OS X.

This release includes bug fixes and performance improvements.

Larceny 0.962 has been released. It is a multi-platform Scheme implementation that supports the IEEE/ANSI, R5RS, ERR5RS and R6RS standards.

This release includes bug fixes.

Mosh 0.0.5 has been released. It is an R6RS Scheme interpreter written in C++.

This release includes: SRFI 98 support, improved stack traces, profiler improvements, faster compilation speed, new procedures, and other changes.

PLT Scheme v4.0.3 has been released. PLT Scheme is a family of Scheme implementations, including DrScheme and MzScheme.

This release includes a fix for a bug caused slow installation of PLaneT packages.

CHICKEN 3.3.0 has been released. CHICKEN is a portable Scheme compiler that emits C code.

This release includes: the movement of port-related procedures to the new 'ports' unit, library bug fixes, and build system fixes.

dfsch 0.2.1 has been released. It is a programming language drawing mainly from R5RS Scheme and Common Lisp.

This release includes: support for additional numeric types, support for object properties, support for custom hash types, and other changes.

PLT Scheme v4.0.1 has been released. PLT Scheme is a family of Scheme implementations, including DrScheme and MzScheme.

This release includes bug fixes.

Ypsilon 0.9.5 beta has been released. Ypsilon is a R6RS Scheme implementation, optimized for multi-core CPU systems.

PLT Scheme v4.0 has been released. PLT Scheme is a family of Scheme implementations, including DrScheme and MzScheme.

This release includes: improved syntax for modules, improved support for optional and keyword function arguments, a new syntax for list comprehensions and iterations, a more complete set of string operations, rewritten and reorganized documentation, improved R5RS and R6RS support, support for mutable pairs, the inclusion of Typed Scheme, and other changes.

Bigloo 3.1a has been released. Bigloo aims to be a practical Scheme implementation.

This release includes: support for exact arithmetic, a new version of the garbage collector, improved multithreading support, and other changes.

STklos 0.98 has been released. STklos is a Scheme implementation that supports most R5RS features.

This release includes: the replacement of the C/invoke FFI library with libffi, the addition of the --build-sync-file option, and bug fixes.

GNU Guile 1.8.5 has been released. Guile is a Scheme interpreter available as a library, designed for embedding within other applications.

This release includes: improved I/O performance, an object-based traps infrastructure, bug fixes, and other changes.

It has been announced that the next Scheme UK meeting will be held on May 28, 2008.

CHICKEN 3.2.0 has been released. CHICKEN is a portable Scheme compiler that emits C code.

This release includes: new srfi-69 and data-structures units factored out from the extras unit, the addition of 'file-copy' and 'file-move' to the utils unit, and other changes.

Scheme2Js 20080430 has been released. It is a Scheme compiler that emits JavaScript.

This release includes: runtime and compiler bug fixes.

Wraith Scheme 1.32 has been released. It is an R5RS Scheme implementation for Mac OS X.

This release includes bug fixes.

SigScheme 0.8.3 has been released. It is a small Scheme interpreter, suitable for embedded use.

This release includes test-related changes.

Gambit-C v4.2.6 has been released. Gambit-C includes a Scheme interpreter, and a Scheme compiler that emits portable C code.

This release includes: improved inlining of eqv?, support for inlining equal?, bug fixes, and other changes.

SigScheme 0.8.2 has been released. It is a small Scheme interpreter, suitable for embedded use.

This release includes fixes so that 'make check' does not pass all tests even if some fail.

Scheme2Js 20080407 has been released. It is a Scheme compiler that emits JavaScript.

This release includes new runtime functions and bug fixes.