Release Notes: This release adds improved performance of Redex's matcher, an improved "plot" library, nicer-looking plots, customizable dual axis ticks/transforms, stacked histograms, and 3D vector fields. Performance improvements include using epoll()/kqueue(), cross-module inlining, and using SSE for JIT-compiled floating-point operations. Literal strings, regexps, etc. are interned. DrRacket uses composable ray-traced icons, and Typed Racket allows customizing type errors in macros. "2htdp/universe" supports an experimental game pad key handler. The "db" library now supports nested transactions and PostgreSQL arrays.
Release Notes: Racket v5.3.6 is a bugfix release. It eliminates errors from v5.3.5 that people have found over the summer.
Release Notes: This is a special-purpose release to coincide with the arrival of "Realm of Racket" in bookstores. It adds a single 'realm' collection, which contains the source code that readers of Realm may wish to use for experiments.
Release Notes: Extflonums (80-bit fp) are now supported on some x86/x86_64 platforms. On Mac OS X, DrRacket and other apps are now signed. Tally Maze, a new game based an maze enumerations, was added. The Optimization Coach has been moved from the Racket distribution to the a package. The 'srfi/19' library is now compatible with the date structure type exported by 'racket/base'.
Release Notes: This is a bugfix release to address a flaw in 5.3.2 concerning interactions between the contour window and the syntax coloring.
Release Notes: New libraries: math, file/untar, file/untgz, file/unzip, and data/bit-vector. A new 'lazy-require' form. Extensions to 'racket/generic' and 'openssl'. A new package system (in beta). A more responsive GUI. auto-parens has been improved. Scribble can render markdown. Documentation cross-reference information is stored in an SQLite3 database. TR-friendly 'plot/typed' and delimited continuation.