Subj : Racket 9.0 released
To   : All
From : LWN.net
Date : Sun Nov 23 2025 16:30:09

Racket 9.0 released

Date:
Sun, 23 Nov 2025 16:27:46 +0000

Description:
The Racket programming language project has released Racket
version 9.0 . Racket is a descendant of Scheme , so it is part of the Lisp 
family of languages. The headline feature in the release is parallel
threads , which adds to the concurrency tools in the language: " While
Racket has had green threads for some time, and supports parallelism via
futures and places, we feel parallel threads is a major addition. "
Other new features include the black-box wrapper to prevent the compiler from 
optimizing calculations away, the decompile-linklet function to map linklets 
back to an s-expression , the
addition of Weibull
distributions to the math library, and more.

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Link to news story:
https://lwn.net/Articles/1047549/


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