I reported issues about ScratchConnect and put patches to fix them in Etoys 5.0 RC3.
SQ-1085 (ScratchConnect broadcast tile doesn't work in ScriptEditor) http://tracker.squeakland.org/browse/SQ-1085
SQ-1086 (improve ScratchClientMorph vocabulary ) http://tracker.squeakland.org/browse/SQ-1086
SQ-1087 (ScratchConnect Player>>sensorUpdate: lacks a space) http://tracker.squeakland.org/browse/SQ-1087
These patches will make it work correctly so far. Please tell me any issues about ScratchConnect I will respond them.