How Kotlin’s New Rich Errors Transform Error Handling in 2025

KotlinConf 2025 unveiled Rich Errors, a new union‑type based error‑handling model that replaces try‑catch and Result with explicit success‑or‑error return types, improving type safety, readability, and testability for Kotlin developers.

KotlinKotlin 2.4Rich Errors

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How Kotlin’s New Rich Errors Transform Error Handling in 2025

AndroidPub

Jun 17, 2025 · Fundamentals

Unlock Kotlin’s New Power: Named Destructuring, Rich Errors, and More

This article reviews the latest Kotlin 2.x enhancements, including name‑based destructuring, the upcoming Rich Errors union type, new first‑party plugins, AI‑focused MCP SDKs and Kooga agents, the stabilization of Compose Multiplatform for iOS, and improved coroutine debugging in Kotlin 2.2.

AI SDKCompose MultiplatformKotlin

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Unlock Kotlin’s New Power: Named Destructuring, Rich Errors, and More