Apple has released macOS Catalina 10.15.3 Beta to registered developers
Overview
The macOS 10.15.3 SDK provides support for developing apps for Macs running macOS Catalina 10.15.3. The SDK comes bundled with Xcode 11.3 available from the Mac App Store. For information on the compatibility requirements for Xcode 11.3, see Xcode 11.3 Release Notes.
General
There are no release notes for this software update.
