MacRumors reports that Apple has released Xcode 11.3.1.

Xcode 11.3.1 Released Nearly One Month After Apple Last Seeded Betas of iOS, macOS, watchOS, and tvOS

Apple on Monday released Xcode 11.3.1 with bug fixes and improvements, including reducing the size of dependency files produced by the Swift compiler, which can improve incremental build times and disk usage for targets with many source files. Full release notes are posted on Apple's developer website.

As with Xcode 11.3, version 11.3.1 supports developing apps for iOS 13.3, iPadOS 13.3, macOS 10.15.2, watchOS 6.1, and tvOS 13.3.

Xcode 11.3.1 Released Nearly One Month After Apple Last Seeded Betas of iOS, macOS, watchOS, and tvOS