MacRumors published a story that Apple has released the second beta of macOS Catalina 10.15.6 to registered developers.
Apple Seeds Second Beta of Upcoming macOS Catalina 10.15.6 Update to Developers
Apple today seeded the second beta of an upcoming macOS Catalina 10.15.6 update to developers for testing purposes, one week after seeding the first...
Apple Seeds Second Beta of Upcoming macOS Catalina 10.15.6 Update to Developers