How to keyframe nodes from Sverchok?

Created by: lajawi

Problem statement

I'm trying to keyframe values inside of nodes from Sverchok, but it doesn't work.

Steps to reproduce

Just try to animate values inside of nodes from Sverchok.

Expected result

An animation, keyframes in the Dope Sheet, Timeline or Graph Editor.

Actual result

No animation, last keyframed value gets set as constant value, no keyframes in the Dope Sheet, Timeline or Graph Editor.

Sverchok version

0.6.0.0, latest stable release v8, from today, 7th of April, 2021