--- title: "Issue #79: defer Done Right, Instruments is Back, and WWDC Is One Week Away" url: https://daily.dev/posts/issue-79-defer-done-right-instruments-is-back-and-wwdc-is-one-week-away-doenk2zkl source_url: https://ioscodereview.com/issues/issue-79-defer-done-right-instruments-is-back-and-wwdc-is-one-week-away type: article source: "iOS Code Review" published: 2026-06-02T09:47:19.255Z updated: 2026-06-02T09:47:55.583Z tags: ["ios", "swift", "swiftui", "wwdc"] reading_time: 5 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 #79: defer Done Right, Instruments is Back, and WWDC Is One Week Away **[iOS Code Review](https://daily.dev/sources/ioscodereview)** · 5 min read · 0 upvotes · 0 comments ## Summary iOS Code Review Issue #79 covers several Swift and iOS development topics: effective use of the defer keyword for cleanup patterns, graceful API deprecation using @available with obsoleted, using Xcode Instruments proactively to catch performance issues in AI-generated code, SwiftUI animation basics and Keychain usage guides, and Point-Free's DebugSnapshots library that enables exhaustive state testing for @Observable classes. The issue also previews WWDC 2026 (June 8–12) and highlights the Apple Design Award 2026 finalists. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Issue 753 – iOS Dev Weekly](https://daily.dev/posts/issue-753-ios-dev-weekly-7v9wg3clc) · iOS Dev Weekly · 0 upvotes · 0 comments --- Tags: [#ios](https://daily.dev/tags/ios), [#swift](https://daily.dev/tags/swift), [#swiftui](https://daily.dev/tags/swiftui), [#wwdc](https://daily.dev/tags/wwdc) [View this post on daily.dev](https://daily.dev/posts/issue-79-defer-done-right-instruments-is-back-and-wwdc-is-one-week-away-doenk2zkl)