On Processing 2.0.3:
MPE CLIENT VERSION 2.0.2
Client: Connected to server!
Client: Sending: A|0|true
$ java -jar mpeServer-2.0.2.jar
MPE SERVER VERSION: 2.0.2
MPEServer: framerate = 30, screens = 1, waitForAll = false, verbose = false
Starting server: Andres-rMacBook-Pro.local/10.37.129.2 9002
Connecting asynch client 0 receiver: false
The sketch frame stays blank, and nothing in frameEvent is being called. Works fine in synchronous mode.