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Racket HISTORY.txt notes for v8.0

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Matthew Flatt 2021-01-09 09:53:04 -07:00
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racket/collects/racket/HISTORY.txt
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Version 8.0, January 2021
Racket CS is now the default variant of Racket
Add support for Apple Silicon Mac OS (AArch64)
Improve Racket CS parallel GC, improve various optimizations,
improve weak `equal?`-based hash tables, improve hash-code
calculations, add direct support for flvectors, and reduce
the size of generated code by 10-30%
Add `#:unsafe` for `#%declare` in a module
Add 'os* and 'arch modes to `system-type`
Add `fx{+,-,*,lshift}/wraparound`
Fix `normal-case-path` on bad encodings, which previously could
cause a corrupted preferences file to disable DrRacket
Other bug repairs and other changes noted in the documentation
Version 7.9, October 2020
Improve Racket CS place-local allocation, add parallel GC,
and merge Chez Scheme GC support for incremental promotion