The decay envelope works great. It retriggers in a musical way (not all envelopes do that). I have only one gripe: The attack is supposed to be snappy, but I think it’s a bit TOO short. It makes my VCAs ”click” in an unpleasent way. I have solved this by patching a simple low pass filter on the output - just a capacitor and a resistor, I already had built this for patching gates directly to a VCA. For drum sounds this is propably not a problem at all, but I’m using this module for softer sounds.
The gate output is a different story. Yes, it can be used for some nice rhytmic variations. But the gate signal is not clean. In some settings it makes my sequencer jump two steps! Unfortenuately I don’t have access to a scope, but it’s clear that there is a rather unusual transient on the gate output.
Conclusion: This is a beast you have to tame! Unless you like clicks and skipped sequencer steps - then you will do fine with it as is. :)