Racket v9.0
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- Racket supports parallel threads. For more information see the new
blog post on the topic.
- Parallel threads can be created using the `#:pool` argument to
thread creation.
- Threads created with `#:keep` set to `'results` will record their
results for later retrieval with `thread-wait`.
- The `black-box` wrapper prevents the optimizing compiler from
optimizing away certain computations entirely. This can be helpful
in ensuring that benchmarks are accurate.
- The `decompile-linklet` function can map linklets back to
s-expressions.
- When using BC Racket, the `processor-count` function is changed to
always return the parallel count.
- We now distribute "natipkg" packages for AArch64, useful for
package-build and package-testing infrastructure.
- Check Syntax tracks identifiers more deeply nested in the "origin"
field of syntax objects.
- The `math` library includes Weibull distributions.
- There are many other repairs and documentation improvements!
The following people contributed to this release:
Alexander Shopov, Anthony Carrico, Bert De Ketelaere, Bogdan Popa,
Cadence Ember, David Van Horn, Gustavo Massaccesi, Jade Sailor,
Jakub Zalewski, Jens Axel Søgaard, jestarray, John Clements, Jordan
Johnson, Matthew Flatt, Matthias Felleisen, Mike Sperber, Philip
McGrath, RMOlive, Robby Findler, Ruifeng Xie, Ryan Culpepper, Sam
Phillips, Sam Tobin-Hochstadt, Sebastian Rakel, shenleban tongying,
Shu-Hung You, Stephen De Gabrielle, Steve Byan, and Wing Hei Chan.
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