The release announcement sketch that I have so far is below.  Please
    mail me new items and/or edits.

    Please phrase announcements using complete sentences and avoid the
    word "now".
    ----------------------------------------------------------------------

- New ephemeron hash tables allow more precise garbage collection behavior

- Racket CS supports cross-compilation using `raco exe`, including for iOS

- Racket CS is improved in structure handling, among other improvements

- Racket CS is faster at multiplying extremely large numbers and dividing
  large integers

- Racket CS supports Android on 32-bit and 64-bit ARM processors

- FFI code can raise exceptions when using Racket CS.

- DrRacket tabs can be dragged, and have new close buttons

- Check-Syntax arrows correctly identify the definition site of
  identifiers with contracts

- Typed Racket suports for/fold and its close relatives

- The stepper supports files that explicitly declare their language
  (e.g. #lang htdp/bsl)

- The database library supports running queries in OS threads


    ———————————————————————————————————

Thanks!

John Clements

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