FLStudio's Piano Roll nor do they support slide notes, these are exclusive to native FLStudio plugins. Note: If a VST plugin supports polyphonic aftertouch they can sometimes use the first per-note parameter in the Piano Roll ...
FL the volume of each note isn't affected and they'll play full blast. Other times it seems to work so I'm not sure if there's a setting I'm missing in FL as I'm sure ...
MIDI Out and they don't seem to be MIDI CC. I've even gone as far as building a MIDI CC monitor and running it in FL, still no dice.
Are the messages FL architecture exclusive? VST SDK? Host Messages? ...