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.…