Hi,
Fantastic!
It looks as if the CS builds are only x86-64, right? Are there plans to add
others, say arm32 and arm64?
Thanks very much.
cheers
bruce
> Racket version 7.4 is now available from
>
> [https://racket-lang.org/](https://racket-lang.org/)
>
> With this 7.4 release, we are making Racket CS available, a beta version
> of the Racket on Chez Scheme implementation. Racket CS is "beta"
> quality for the v7.4 release. It works well enough to be worth trying,
> but there are likely too many lingering problems for a project to switch
> to Racket CS for production use at this time. We encourage you to kick
> the tires of the new CS releases, and to help push this project forward
> by reporting any problems that you find.
>
> - Racket CS is available as a download option. To download Racket CS,
> select "CS" instead of "regular" from the "Variant" popup menu.
>
> - Single-precision floating-point literals, a.k.a. single-flonums, are
> no longer supported by default.
>
> This is a backward-incompatible change, but the use of single-flonums
> appears to be rare. Since Racket CS does not support single-flonums,
> disabling single-flonums by default smooths the transition from regular
> Racket and Racket CS.
>
> The `read-single-flonum` parameter can be set to #t to enable reading
> single-flonum literals, but a better strategy in most cases is to use
> `real->single-flonum` when `single-flonum-available?` reports #t or
> when `single-flonum?` reports #t for a value (which implies that
> single-flonums must be supported). Where single-flonums are supported,
> Racket's compiler will fold a call of `real->single-flonum` on a
> literal number to a constant single-flonum value.
>
> - New compilation flags including --disable-generations and --enable-ubsan
> provide better support for alternative
> architectures.
>
> - The 2htdp/universe teachpack supports an event log window for big-bang.
> With this option, students can inspect the events that big-bang handled,
> plus their payload. The event log includes messages from external
> sources.
>
> The following people contributed to this release: Alex Knauth, Alexander
> B. McLin, Alexis King, Andreas Düring, Asumu Takikawa, Atharva Raykar,
> Ben Greenman, Benjamin Yeung, Dmitry Moskowski, Fred Fu, Gustavo
> Massaccesi, Ilnar Salimzianov, Jason Hemann, Jay McCarthy, Jesse A. Tov,
> Jesse Alama, John Clements, Leif Andersen, Lukas Lazarek, Matthew Flatt,
> Matthias Felleisen, Mike Sperber, Morgan Lemmer-Webber, Noah W M, Paulo
> Matos, Philip McGrath, Robby Findler, Rodrigo, Roman Klochkov, Ryan
> Culpepper, Sam Tobin-Hochstadt, Simon 'Sze' L. Schlee, Sorawee
> Porncharoenwase, Spencer Florence, Stephan Renatus, Stephen Chang,
> Stephen De Gabrielle, Thomas Dickerson, Vincent St-Amour, and yjqww6
>
> Feedback Welcome
>
>
>
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