Nothing special after upgrade

The application constantly uses 30-50% of my CPU, just after first launch to initialize all accounts, main window is sluggish, and it is just unusable.
When the process completed everything went normal and now seems to be working fine.

It works like the previous version, which is fine :) Looks much better, but it does not seem to be worth extra money comparing to 1.x

sirmikeorg about Airmail - Lightning Fast Email, v2