When you crank up FL's BPM to its maximum with the 1920PPQ method, you get a whopping 16704hz of maximum rate for processing incoming automation.
(1920PPQ*2)*(522/120) to get this hertz rate.
Make sure align tick lengths is disabled to avoid uneccesary smoothing!
This can be (ab)used to create things like this!
A pseudofilter which outputs its analog parsed result into a fruity scratcher, the FL equivalent of direct automation output.
This can work as an FX aswell, omitting the ASDR and Synth altogether.
While not everything is showcased in here, this should give a good insight on what is really possible with FL's unintended features.