Here are some notes that I am keeping while porting RCS from 0.10.2 to 11.0.0.
It seems that when making a new audio source, it either makes new SoundData from two strings (source,type) instead of defaulting to to the "stream" type. The simplist solution is the following:
While this monkey patch may not work in every case, I suspect it would work in most.
love.audio._newSource = love.audio.newSource