Going to fourth density? Or fifth?

[zenmaster]

Quantum leap is when the planet is 4D "magnetized" for local use of 4D vibration.

When, relative to now, would you expect that to occur?

I think the approx 30-year from 1981 date to be the expected time. The Dec 21st thing could indeed be it.

I'd expect that to not be transitional.

What would be the evidence that the "quantum leap" had occurred?

Do you do energy work on chakras? Do you notice the accompanying psychological effects? The "vibration" is obviously primary to the mind which makes use of it. However, there is no experience without mind. Therefore any evidence is going to be based on the awareness of its effect on mind.