To Pd-announce:
Pd version 0.54-0test1 is available from http://msp.ucsd.edu/software.htm or (source only) via github: https://github.com/pure-data/pure-data
New features include multi-channel signal connections and updated windows audio. The new window version uses an audio subsystem that became available in windows 7 (so won't work on Windows XP any more but should be fine for windows 7 or newer). There are many other improvements and updates.
cheers
Miller