Xcode 12.4
Xcode 12.4 includes SDKs for iOS 14.4, iPadOS 14.4, tvOS 14.3, watchOS 7.2, and macOS Big Sur 11.1. The Xcode 12.4 release supports on-device debugging for iOS 9 and later, tvOS 9 and later, and watchOS 2 and later. Xcode 12.4 requires a Mac with Apple silicon running macOS Big Sur 11 or later, or an Intel-based Mac running macOS Catalina 10.15.4 or later.
There’s no direct download yet, but apparently it hasn’t changed from the release candidate.
Previously:
Update (2021-01-28): The direct download is up and identical to the release candidate. See Xcode Releases for more links.