[racket-dev] release blurb for 5.1.1

From: Matthias Felleisen (matthias at ccs.neu.edu)
Date: Tue Apr 26 20:53:21 EDT 2011


* The Universe protocol of 5.1 and its predecessors are incompatible. 

(Ouch, this requires a change to the HISTORY. Will push soon.) 


Posted on the dev mailing list.