Hey, thanks for the feature request! We have it logged here.
Generally, we’ve found that by EQing the transient and tonal portions of the signal separately, you can get similar results to dynamic EQ. For instance, instead of using a dynamic band to reduce sibilance, you’d just use a transient cut at the desired frequency.
That said, we’re giving some thought to the types of problems Split dynamic bands would help solve – if you have specific use cases, we’d love to hear them.