async/await does not make work run off the main thread by default. That mistake can still freeze your UI during real app work. I explain how to avoid it in my free 5-day Swift Concurrency Playbook: https://www.swiftconcurrencyplaybook.com/?utm_source=mastodon&utm_medium=social&utm_campaign=swiftlee_social_evergreen&utm_content=swiftlee-20260726T1722-playbook_promo-005_x #swiftlang #swiftconcurrency