In 2023 I wrote from scratch a iOS native app using SwiftUI. This year I used AI extensively to improve and add many features to it in a span of couple months. The app is free and there are at least 2 users of the app - myself and one complete stranger (not a family or a friend) that is using this app.
Java 21, Spring Boot 4.x, Spring AI 2.x - probably most boring stack that is working fantastic for me to generate solid, reliable code for agents, mcp servers using Claude Code or Cursor.
https://www.motormait.com/