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Apple has released the fourth beta of macOS Catalina 10.15.2 to registered developers





Overview

The macOS 10.15.2 SDK provides support for developing apps for Macs running macOS Catalina 10.15.2. The SDK comes bundled with Xcode 11.2 available from the Mac App Store. For information on the compatibility requirements for Xcode 11.2, see  Xcode 11.2 Release Notes.

Networking

New Features

macOS Catalina 10.15.2 Beta 4 Release Notes