The Search section of the App Store is not available.
Me and other Korean users are experiencing this problem.
Overseas users, can you search in the App Store?
First, I will try to connect the U.S. VPN with Apple ID.
This is observed on the iPad.
[ iPadOS 13 ] Cannot connect App Store search section in Korea
It is the same in the US
It is a legit outage, not just the Betas: https://www.apple.com/support/systemstatus/