<div dir="ltr"><div class="gmail_extra">Here's the latest draft.</div><div class="gmail_extra"><br></div><div class="gmail_extra">Robby</div><div class="gmail_extra"><br></div><div class="gmail_extra"><div class="gmail_extra">
<br></div><div class="gmail_extra">Racket 5.92 has a new package system, including a catalog of</div><div class="gmail_extra">hundreds of already-available packages. Please visit</div><div class="gmail_extra"><br></div><div class="gmail_extra">
<a href="http://pkgs.racket-lang.org/">http://pkgs.racket-lang.org/</a></div><div class="gmail_extra"><br></div><div class="gmail_extra">for an overview of the packages.</div><div class="gmail_extra"><br></div><div class="gmail_extra">
Recent releases included the "beta" versions of the package system.</div><div class="gmail_extra">Racket version 6.0 incorporates many improvements suggested by these</div><div class="gmail_extra">preliminary experiences:</div>
<div class="gmail_extra"><br></div><div class="gmail_extra"> * A package is treated as a single collection by default, so it is even</div><div class="gmail_extra"> easier to use a Github repository as a package. Get started quickly:</div>
<div class="gmail_extra"> <a href="http://docs.racket-lang.org/pkg/getting-started.html">http://docs.racket-lang.org/pkg/getting-started.html</a></div><div class="gmail_extra"><br></div><div class="gmail_extra"> * DrRacket includes a new package manager GUI, available via the</div>
<div class="gmail_extra"> File|Package Manager ... menu item. The GUI is also available</div><div class="gmail_extra"> as a stand-alone program via the "gui-pkg-manager" package.</div><div class="gmail_extra">
<br></div><div class="gmail_extra"> * The main Racket distribution has been separated into about 200</div><div class="gmail_extra"> packages. The Racket installer combines the core system with</div><div class="gmail_extra">
bundled versions of these packages.</div><div class="gmail_extra"><br></div><div class="gmail_extra"> Alternatively, you may now install a Minimal Racket distribution ---</div><div class="gmail_extra"> which is about 1/10 the size of the main distribution --- and add only</div>
<div class="gmail_extra"> those packages that you need.</div><div class="gmail_extra"><br></div><div class="gmail_extra"> * Package installation supports pre-built packages that include</div><div class="gmail_extra"> compiled byte code and rendered documentation, meaning packages can be</div>
<div class="gmail_extra"> installed quickly when built versions are a available. All packages in</div><div class="gmail_extra"> the main distribution are available in pre-built form.</div><div class="gmail_extra"><br>
</div><div class="gmail_extra">Further improvements are in the works, including package documentation on</div><div class="gmail_extra">the package-catalog web site.</div><div class="gmail_extra"><br></div><div class="gmail_extra">
COMPATIBILITY NOTE: PLaneT, the previous Racket package system,</div><div class="gmail_extra">will remain in place for the foreseeable future, but we expect</div><div class="gmail_extra">all package work to shift to the new system.</div>
<div class="gmail_extra"><br></div><div class="gmail_extra">Beyond the package system, this release brings a number of other changes:</div><div class="gmail_extra"><br></div><div class="gmail_extra"> * Racket's HTML documentation has a new and improved look, thanks to</div>
<div class="gmail_extra"> Matthew Butterick.</div><div class="gmail_extra"><br></div><div class="gmail_extra"> * The documentation includes a style guide, "How to Program Racket"</div><div class="gmail_extra">
<a href="http://docs.racket-lang.org/style/">http://docs.racket-lang.org/style/</a></div><div class="gmail_extra"><br></div><div class="gmail_extra"> * Racket's JIT compiler supports the ARM architecture.</div><div class="gmail_extra">
<br></div><div class="gmail_extra"> * Racket supports the Mac's Retina display mode.</div><div class="gmail_extra"><br></div><div class="gmail_extra"> * The performance of the Typed Racket compiler improved by 50% on some </div>
<div class="gmail_extra"> typed programs; see <a href="http://bit.ly/1d0Ye4z">http://bit.ly/1d0Ye4z</a></div><div class="gmail_extra"><br></div><div class="gmail_extra"> * The profiler provides a new mode that uses the errortrace library to</div>
<div class="gmail_extra"> produce fine-grained profiles.</div><div class="gmail_extra"><br></div><div class="gmail_extra"> * A new contract profiler reports how much time programs spend checking</div><div class="gmail_extra">
contracts, and which contracts are most expensive.</div><div class="gmail_extra"><br></div><div class="gmail_extra"> * The math/flonum library exports fast 105-bit precision operations.</div><div class="gmail_extra"><br>
</div><div class="gmail_extra"> * Check Syntax handles generated identifiers, especially those</div><div class="gmail_extra"> introduced by struct (e.g. field selectors) and Redex (e.g., e_1, e_2)</div><div class="gmail_extra">
<br></div><div class="gmail_extra"> * 2htdp/batch-io includes functions for dealing with html/xml in files and</div><div class="gmail_extra"> web sites as X-expressions plus conveniences for web-based graph traversals.</div>
<div class="gmail_extra"><br></div><div class="gmail_extra"> * The `gen:set' generic interface extends set operations to work on</div><div class="gmail_extra"> user-defined types that implement set methods, as well as on other</div>
<div class="gmail_extra"> set-like built-in types, such as lists.</div><div class="gmail_extra"><br></div><div class="gmail_extra"> * Picts support conversion to SVG format.</div><div class="gmail_extra"><br></div><div class="gmail_extra">
* Under unix, Racket provides desktop entries (.desktop files) for its</div><div class="gmail_extra"> graphical executables.</div></div></div>