Kotlin • May 1, 2026

Kodee's Kotlin Roundup: Golden Kodee Finalists, Kotlin 2.4.0-Beta2, and New Learning Resources

Article Summary

Kodee rounds up April's biggest Kotlin news: Golden Kodee finalists announced, Kotlin 2.4.0-Beta2 drops, and a new professional certificate launches. KotlinConf 2026 is weeks away.

JetBrains' monthly Kotlin roundup covers ecosystem updates from April 2026, including language releases, tooling improvements, and community highlights. The post previews KotlinConf 2026 in Munich (May 20-22) and showcases new learning resources alongside technical updates for multiplatform and backend development.

Key Takeaways

Kotlin 2.4.0-Beta2 released with updates across language, stdlib, JVM, and Native
Golden Kodee finalists announced, winners revealed at KotlinConf Munich
LinkedIn Learning launches Kotlin Professional Certificate: 12 hours, four courses
Amper 0.10.0 adds automatic JDK provisioning and Maven converter
Koog introduces idiomatic Java API and Spring AI integration

Critical Insight

April brought major Kotlin ecosystem updates including a beta release, new certification program, and improved tooling ahead of KotlinConf 2026.

The roundup includes a playful coroutines game that tests your intuition on async behavior, plus practical WebAssembly samples showing Kotlin's backend future.

About This Article

Problem

Developers using Spring Data JPA with Kotlin had to learn entity mapping, repository patterns, and custom query syntax across two different languages. There was no straightforward way to compare how things worked in Java versus Kotlin.

Solution

JetBrains published a guide that shows how to build Spring Data JPA applications in Kotlin. It covers entities, repositories, custom queries, and DTOs, with side-by-side Java and Kotlin examples for each concept.

Impact

Teams already invested in Spring can now move to Kotlin with less uncertainty. Seeing the exact syntax differences makes the transition smoother and helps backend teams work faster.