Json API transition time

I am using the json api to update segments in a strip. If I do this too quickly (< 500 ms or so between updates), it seems that some updates are missed entirely. Is this behavior something that I can adjust - I would like the display to be much more responsive.
Additional info: using ESP8266, WLED 0.10.0. Seems like this is related to the effect (fx setting in the seg data) setting. When effect 0 (Solid) is set, the display updates every 500ms or so. Using a different effect, the update rate seems related to the ‘relative effect speed’ (sx setting). Larger values decrease the update interval - which appears related to the interval at which the json updates are realized to the display.

Using ESP8266 or ESP32? If you are using ESP8266, upgrade to ESP32.