There may be a subtlety working here.
I have seen a very slight increase in the average “VST Performance” meter (green bar) but now the real-time value (red bar) is not randomly hitting the top (for no obvious reason) and causing an overload indication on the virtual LED at the top of the meter.
I can easily get the average VST Performance back down again by increasing the buffer size in the ASIO driver (thereby increasing latency). There is no point, in my set-up, since the average VST Performance is still less than 20% on the meter and the random real-time peaking that used to occur has now stopped (or at least significantly reduced). In fact, I can now reduce the buffer size (and therefore the latency) without the average performance going above 25%. Others though may have had their average VST performance nudged “over the edge” and so have to increase the buffer size (and therefore latency) to compensate.
This might go some way to account for some of us reporting less latency and other more.