Companion Blocks & Extensions are ready for testing in Kotlin 2.5.0-Beta1. I've spent a good chunk of the last months working on this feature, so I'm very excited for the experimental release.
blog.jetbrains.com/kotlin/2026/...
blog.jetbrains.com
The Companions to Come - The JetBrains Blog
Kotlin 2.5.0 introduces experimental companion blocks and extensions. Learn what they unlock, how to enable them, and what it means for companion objects.
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