{"podcast":{"title":"Programming Tech Brief By HackerNoon","slug":"programming-tech-brief-by-hackernoon-6364125","podcast_index_feed_id":6364125,"rss_url":"https://feeds.transistor.fm/programming-tech-brief-by-hackernoon","website_url":"https://hackernoon.com/c/programming","image_url":"https://img.transistorcdn.com/AKbQjnYbCNDgF_frZ_Hpi8tkLS7aZezqecpWn6o-Rh8/rs:fill:0:0:1/w:1400/h:1400/q:60/mb:500000/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS9zaG93/LzQxMTY2LzE2ODM1/ODIzMzAtYXJ0d29y/ay5qcGc.jpg","author":"HackerNoon","episode_count":100,"summary":"Learn the latest programming updates in the tech world.","last_synced_at":"2026-07-29T06:19:42.842448+00:00","page_url":"https://stenobird.com/podcast/programming-tech-brief-by-hackernoon-6364125"},"episode":{"title":"SwiftUI Performance Is Not About Views. It Is About Diffing","slug":"swiftui-performance-is-not-about-views-it-is-about-diffing","published_at":"2026-05-25T16:00:40+00:00","page_url":"https://stenobird.com/podcast/programming-tech-brief-by-hackernoon-6364125/swiftui-performance-is-not-about-views-it-is-about-diffing","show_page_url":"https://stenobird.com/podcast/programming-tech-brief-by-hackernoon-6364125","url":"https://share.transistor.fm/s/c74442b4","audio_url":"https://media.transistor.fm/c74442b4/d058dc3f.mp3","summary":"This story was originally published on HackerNoon at: https://hackernoon.com/swiftui-performance-is-not-about-views-it-is-about-diffing . Your SwiftUI app may not be slow because of too many views — it may be slow because SwiftUI cannot clearly diff what changed. Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #swiftui , #ios-app-development , #swiftui-performance , #swiftui-diffing , #swiftui-rendering , #swiftui-architecture , #swift-macros , #xcode-instruments , and more. This story was written by: @element . Learn more about this writer by checking @element's about page, and for more stories, please visit hackernoon.com . SwiftUI performance issues often come from poor diffing, not from SwiftUI itself. Closures, reference-backed models, and large view bodies can make SwiftUI re-render more than necessary. The fix is to make rendering inputs explicit, use smaller diffable view components, and treat Equatable as an architectural tool, not just a micro-optimization.","meta_description":"This story was originally published on HackerNoon at: https://hackernoon.com/swiftui-performance-is-not-about-views-it-is-about-diffing . Your SwiftUI app…","key_points":[],"chapters":[],"topics":[],"duration_seconds":741,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/programming-tech-brief-by-hackernoon-6364125/episodes/swiftui-performance-is-not-about-views-it-is-about-diffing/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/programming-tech-brief-by-hackernoon-6364125/swiftui-performance-is-not-about-views-it-is-about-diffing.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}