Wookash Podcast Chuck Jazdzewski on making new UI paradigms
Feb 14, 2026
Chuck Jazdzewski, veteran UI and framework designer behind TurboVision, TypeScript origins, WPF/XAML, and Jetpack Compose, discusses reinventing UI paradigms. He tells stories about moving from Pascal/Delphi to modern declarative UI, choosing functions over classes, compiler instrumentation for composition, performance tricks for Android, and designing APIs that play well with AI.
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Building TurboVision And Delphi
- At Borland Chuck wrote an installer and UI libraries, then built TurboVision and helped ship Turbo Pascal and Delphi IDEs.
- He rewrote messy code in object-oriented style and became the in-house OOP expert.
Make The Object The UI Source
- VCL made the object the source of truth for UI instead of Windows handles, simplifying development semantics.
- That shift removed lifecycle modes and let developers treat controls as first-class objects.
Reduce Concept Count
- Design frameworks to minimize concept count so developers hold fewer mental models while coding.
- Make easy things easy and hard things possible using Pareto-focused APIs.