The main difference between 2.0 and 3.0 is the latest version is significantly slower than 2.0, by a factor of 2 or 3 times.
I had the auto power off feature on and this is no longer usable, so I leave the unit on, idle. It doesn't lose a lot of battery and it is ready to go immediately.
Sony, if you read us, I'd love to have some user experience improvement here.
If this database building process can't be accelerated, please introduce an auto-power off feature, and we could have an auto-pause after some time (1h, 2h, 4h...), or when no headphones are connected (either balanced or SE).