It's already available.  I received a notice about it on 8/24.  I've already applied it.  Search for:  PTUS 21.07 Additional Payroll Tax update for 2021 (Ohio)

Hi BarbTorrence. When updates and releases are available, we post an announcement here: Sage 300 Construction & Real Estate Announcements, News, and Alerts.

Steps to sign up to get an email when we make a post in the announcement forum can be found here: https://www.sagecity.com/support_communities/sage_construct_real_estate/f/sage-cre-announcements-news-and-tips/111384/sage-300-cre-sage-city-your-new-source-for-product-release-updates

I hope this helps!