What are WP Updates Last 30 Days?

What Does 'WP Updates Last 30 Days' Mean?

The WordPress (WP) Updates box shows you the number of WP themes and plugins that have been updated in the last month. This will appear below the title in green text. 

Why is There a Warning Icon on the WP Updates Status?

If a yellow warning icon is displayed next to a website name, this means that there are WP plugins or themes that have updates available for this site. Click on the website's name to see more information.