Racket v7.6
Racket version 7.6 is now available from
https://racket-lang.org/
* DrRacket's scrolling has been made more responsive.
* DrRacket's dark mode support is improved for Mac OS and Unix.
* Racket CS is ready for production use. We will work to further
improve Racket CS before making it the default implementation, but
it now consistently passes all of our integration tests and
generally performs well. (Compiled code remains significantly larger
compared to the default implementation.)
* The Web Server provides fine-grained control over various aspects of
handling client connections (timeouts, buffer sizes, maximum header
counts, etc.) via the new "safety limits" construct.
Using this new construct, we have decreased the web server's default
level of trust in client connections and made it detect additional,
maliciously constructed requests. Resource-intensive applications may
need to adjust the default limits (for example, to accept large file
uploads). In trusted settings, they can be disabled completely by
starting the web server with `#:safety-limits
(make-unlimited-safety-limits)`.
* The Web Server's handling of large files is improved, and its
latency for long-running request handlers is reduced.
* The Macro Stepper has a new macro hiding algorithm that tracks term
identity through syntax protection (see `syntax-arm`), making macro
hiding work more reliably. Its UI indicates protected and tainted
syntax.
* The Racket documentation includes a "building and contributing" guide.
Contributors: Alex Harsanyi, Alex Knauth, Alex Muscar, Alexis King, Ben
Greenman, Bogdan Popa, Brian Wignall, Dan Holtby, David K. Storrs,
Dionna Glaze, Dominik Pantůček, Fred Fu, Geoff Shannon, Gustavo
Massaccesi, Jack Firth, Jay McCarthy, Jens Axel Søgaard, Jesse Alama,
Joel Dueck, John Clements, Jordan Johnson, Julien Delplanque, Leo Uino,
Luka Hadži-Đokić, Luke Lau, Matthew Flatt, Matthias Felleisen, Mike
Sperber, Paulo Matos, Philip McGrath, Reuben Thomas, Robby Findler, Ross
Angle, Ryan Culpepper, Sage Gerard, Sam Tobin-Hochstadt, Shu-Hung You,
Sorawee Porncharoenwase, Stephen De Gabrielle, Syntacticlosure, Timo
Wilken, Tommy McHugh, Winston Weinert, Zaoqi
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