I've noticed this also. I have further insight but am sworn to secrecy. <grin>
Anyway, I'm joining your parade. Opening a project and having it sound totally different, only to find VST settings were lost was disconcerting. (hey, another grin!>
Luckily backup versions allowed me to quickly Save/Load Presets and Groups so everything was back fairly quickly.


Make your sound your own!
.. I do not work here, but the benefits are still awesome