MacRumors published a story that Apple has released the third beta of iOS 13.5 to registered developers.

Apple Seeds Third Beta of iOS 13.5, Relabeled From iOS 13.4.5 Due to Exposure Notification API

Apple today seeded the third betas of upcoming iOS and iPadOS 13.5 updates to developers, two weeks after seeding the second betas and a month after...

Apple Seeds Third Beta of iOS 13.5, Relabeled From iOS 13.4.5 Due to Exposure Notification API