Xcode 7.3.1 发布了。该版本对Cocoa框架和Swift支持比之前更完美，Xcode 7.3.1 包含 Swift 2.2 和 SDKs for iOS 9.3, watchOS 2.2, tvOS 9.2, 以及 OS X 10.11 El Capitan.

Xcode 7.3.1 修复了几个严重的漏洞，包括：

    • Git updated to version 2.7.4 to improve security
    • Fixed an issue where turning off a capability in the Xcode editor could leave the entitlement enabled in the app bundle
    • Fixed an issue that could prevent the export of an ad-hoc build from an archive
    • Fixed a crash when importing localizations

详情请看这里。