The release announcement sketch that I have so far is below. Please
mail me new items and/or edits.
Please phrase announcements using complete sentences and avoid the
word "now".
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* Racket CS remains ready for production use---thanks to those who have
been putting it into practice to help iron out the remaining
kinks---and it now supports a C API for embedding into other
applications. See the "Inside: Racket" documentation for details.
* DrRacket can recover much more quickly from errors involving large
stack traces.
* DrRacket now supports the use of the keyboard in the OS X Catalina
"Open File" dialog.
* Racket CS uses Stencil-Vector HAMTs, dramatically reducing the memory
required for immutable hash tables.
* Optimizations to the Racket CS compiler result in a code size savings
of approximately 20%.
* The net/http-client collection supports the 'deflate' content encoding.
* The `call-in-continuation` form (due to Marc Feeley) allows the
elimination of unnecessary thunk creation.
* GC callbacks are reliably called on major collections in Racket CS.
Also, Garbage collection is 10-20% faster.
* Call-with-current-language allows more reliable tests for language
level code.
* Use of the Cairo library can be multi-threaded.
* Improved documentation!
* Many bug fixes!
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