ArcGIS Pro 2.0.1 is now available for download. This is a minor patch release that addresses several performance and quality issues. The next full release of ArcGIS Pro is scheduled for the end of the year.
A full list of the issues addressed in ArcGIS Pro 2.0.1 can be found here.
Update to ArcGIS Pro 2.0.1 by going to My Esri or using the in-app software updater.