[racket-dev] Release Announcement for v5.3.1

From: Sam Tobin-Hochstadt (samth at ccs.neu.edu)
Date: Sun Oct 28 10:58:40 EDT 2012

On Wed, Oct 24, 2012 at 8:29 PM, Ryan Culpepper <ryan at cs.utah.edu> wrote:
> samth:
>  - type->contract fixes/changes (9e1cf579a4, 962f2472e1)
>  - add #:opaque and #:struct to require/typed (9054d0db7d)

Typed Racket now handles higher-order values provided to untyped
modules under the type `Any` differently.  This may lead to dynamic
errors in some mixed typed/untyped programs, which can be fixed by
using more specific types.

sam th
samth at ccs.neu.edu

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