06 Nov 2021

Racket v8.3

posted by John Clements

Racket version 8.3 is now available from https://download.racket-lang.org.

  • Racket removes syntax arming and disarming in favor of a simpler system of protected syntax operations, along with other updates to the syntax system.

  • DrRacket has improved support for custom #lang languages.

  • Typed Racket improves precision for type-checking of non-polymorphic structures, existential types, and certain binding forms.

  • Scribble HTML output gains a button to show / hide the table of contents on mobile platforms.

  • Redex’s stepper’s GUI shows IO-judgment form rule names.

  • Many bug fixes!

The following people contributed to this release:

Adam Zaiter, Alex Knauth, Alexis King, Ayman Osman, Ben Greenman, Bob Burger, Bogdan Popa, Brian Adkins, Cameron Moy, Carl Eastlund, Dan Holtby, Dominik Pantůček, Eli Barzilay, Ethan Leba, Fred Fu, Greg Hendershott, Gustavo Massaccesi, J. Ryan Stinnett, Jason Hemann, Jay McCarthy, Jesse Alama, Joel Dueck, John Clements, Jonathan Simpson, Kartik Sabharwal, Laurent Orseau, Lehua Ding, Maciej Barć, Marc Burns, Matthew Flatt, Matthias Felleisen, Michael Ballantyne, Mike Sperber, Noah Ma, Paulo Matos, Pavel Panchekha, Philip McGrath, Robby Findler, Ryan Culpepper, Ryan Sundberg, Sage Gerard, Sam Tobin-Hochstadt, Shu-Hung You, Sorawee Porncharoenwase, Stefan Schwarzer, Stephen De Gabrielle, Vincent St-Amour, William J. Bowman, minor-change, and yjqww6

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