Some plugins require specific configuration within the project. This documentation notes some of the more important ones. More should be captured here over time.
A Google Maps API key is required for geolocating events.
Display settings in the Events calendar plugin need to be changed so that the styles match the theme. To set that up:
The "Featured Event" section at the top of the Events archive page pulls in the most recent event that has the "Feature Event" checkbox checked in the admin.
Ensure that WP Forms CSS has been removed.