--- title: "Issue #76: Swift 6.3 Is Here, Swift on Android, Smarter Tests & One Very Important Date" url: https://daily.dev/posts/issue-76-swift-6-3-is-here-swift-on-android-smarter-tests-one-very-important-date-bcee8bilv source_url: https://ioscodereview.com/issues/issue-76-swift-6-3-is-here-swift-on-android-smarter-tests-one-very-important-date/ type: article source: "iOS Code Review" published: 2026-03-30T18:25:10.155Z updated: 2026-04-03T17:03:24.533Z tags: ["android", "ios", "swift", "xcode"] reading_time: 4 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Issue #76: Swift 6.3 Is Here, Swift on Android, Smarter Tests & One Very Important Date **[iOS Code Review](https://daily.dev/sources/ioscodereview)** · 4 min read · 0 upvotes · 0 comments ## Summary Swift 6.3 released March 24 brings three key improvements to Swift Testing (warning issues, test cancellation, image attachments), the first official Swift SDK for Android enabling cross-platform code sharing with Kotlin/Java apps via Swift Java JNI Core, and the formalized @c attribute for cleaner C interoperability with compile-time signature validation. Xcode 26.3 introduced agentic coding with Claude Agent and OpenAI Codex, supporting full-project reasoning, build execution, and MCP-compatible third-party agents. A reminder that starting April 28, 2026, App Store submissions must target the iOS 26 SDK or later. The 2026 Swift Student Challenge winners were also announced. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#android](https://daily.dev/tags/android), [#ios](https://daily.dev/tags/ios), [#swift](https://daily.dev/tags/swift), [#xcode](https://daily.dev/tags/xcode) [View this post on daily.dev](https://daily.dev/posts/issue-76-swift-6-3-is-here-swift-on-android-smarter-tests-one-very-important-date-bcee8bilv)