The key to great
analog envelope character, using modern digital envelopes, is really just per-voice-variance to ADR timings -- similar to the variance to tuning, filter and other parameters. Fortunately, that's covered with the vintage knob on Take 5... dial it up and you have instant temporal ADR offsets between voices/envelopes, creating the majority of that classic/vintage character of analog. And if the Vintage Knob isn't dialed in like you want, just hand roll it in the mod matrix with the new "Voice Spread" source routed to Env Attack/Decay/Release -- you can dial in exactly how much envelope variance you want.
http://www.voicecomponentmodeling.com
The other aspect that's really important to envelopes is just the contour/curve between stages. Both digital and analog envelopes are capable of incredible speed (usually less than 3-4milliseconds rise/fall)... so "speed" of Envs is not really an issue... differences are usually imperceptible. But the contour between stages really defines the envelope behavior. You can change it somewhat with recursive modulation, but its a bitch to dial in, and even if you know what you're doing, getting good results is tough.
https://www.presetpatch.com/article/...n-Synthesizers
I hope Sequential will start offering ADR contour shaping as a standard option in their synths going forward. This is something that is really awesome on Deepmind and Moog One. You can alter the contours to be more linear (like classic Junos), or have super snappy convex or extended concave attack stages.... great for dialing in punchy plucks, super slow evolving pads, or anything in between.