Apple today seeded the first beta of an upcoming macOS Catalina 10.15.2 update to developers, one week after releasing the macOS Catalina 10.15.1 update.
The new macOS Catalina beta can be downloaded using the Software Update mechanism in System Preferences after installing the proper software from the Developer Center.
There’s no word yet on what improvements the second update to macOS Catalina will include, but it most likely focuses on performance improvements, security updates, and fixes for bugs that weren’t able to be addressed in the macOS 10.15.1 update.
Read more at MacRumors.com