posted by Stephen De Gabrielle and John Clements

We are pleased to announce Racket v9.3 is now available from https://download.racket-lang.org/ .

As of this release:

The raco setup command can generate markdown documentation, using the --doc-markdown option.

The "#lang" teaching languages (BSL, …, ISL+; plus DeinProgram) have reached parity with the ones chosen using the Language dialog, and are the recommended choice.

DrRacket’s background expansion disables errortrace annotations, for faster syntax checking .

The raco pkg install command includes new options that provide more install-time configuration flexibility: --adjacent-deps , --destdir , and --attach , and a refined --skip-installed .

The ffi/unsafe/runtime-lib library provides a define-runtime-lib mechanism similar to define-runtime-path , allowing location of libraries located relative to a source file.

The prompt-tag/c contract generator no longer performs checking on call/cc when the #:call/cc option is not present.

The…