[racket-dev] Release Announcement for v5.3

At Wed, 25 Jul 2012 13:26:53 -0400,
Ryan Culpepper wrote:
> stamourv:
>   - enable performance report for typed/racket/base (b73421f8)

- Optimization Coach (formerly Performance Report) now reports
  information about Racket's inlining optimizations. Optimization Coach
  can be launched in any language through the View menu.

> samth:
>    - keyword functions in TR (865a2cdc)
>    - TR load time optimizations (794bfa50, 6bf14151)

- Typed Racket now supports definition of functions with keyword
  arguments.
- Startup time of Typed Racket programs has been reduced.

Vincent