Apple released Xcode 26.5 on May 13, 2026, as a stable update to its developer toolchain. The release bundles Swift 6.3 alongside the final SDKs for iOS 26.5, iPadOS 26.5, tvOS 26.5, macOS 26.5, and visionOS 26.5. On the developer experience side, coding assistant messages can now be queued so developers no longer lose prompts while the assistant is busy, and agents can ask clarifying questions to improve the accuracy of their responses. For teams targeting iOS 26.5 or any of the paired platform releases, Xcode 26.5 provides the required stable SDKs and is the recommended upgrade path. The Swift 6.3 inclusion may surface new concurrency diagnostics in existing projects, though no breaking API removals are flagged for this release. Developers should verify build settings and test on-device before submitting updates to App Store Connect.