Kotlin Weekly #-482!

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Kotlin 2.2.21 (github.com) Kotlin 2.2.21 has been released. On the website page you can see everything that is being deployed with this new version-

Getting Started With Kotlin for Java Developers (blog.jetbrains.com) Urs Peter kicks off a new JetBrains series on adopting Kotlin in Java-heavy teams, showing how to start small by writing your first Kotlin tests to safely build momentum toward company-wide adoption.

From Python to Kotlin: A Transition Worth Making (blog.jetbrains.com) Marcin Moskała compares Python and Kotlin, showing why many teams are moving to Kotlin for backend development thanks to its stronger typing, better performance, structured concurrency, and smoother scalability.

[SPONSORED] Sweep is the best autocomplete for IntelliJ (plugins.jetbrains.com) Sweep is a Cursor autocomplete alternative for IntelliJ. Sweep uses your recent edits and IDE context to suggest codebase-aware autocompletions with sub-100ms latency. Sweep is trusted by engineers at companies like Ramp and Amplitude.

Recent JUnit Updates for Kotlin (proandroiddev.com) Elena van Engelen-Maslova highlights key Kotlin-specific improvements in JUnit 6, including Kotlin contracts in assertions, Sequence support in parameterized tests, and native suspend test support for more idiomatic coroutine testing.

KMP Notifications: Handling Native Notifications in Shared Kotlin (medium.com) KMP Bits shows how to handle Android and iOS notifications entirely from shared Kotlin code, proving Kotlin Multiplatform can manage deep native features cleanly and efficiently.

The LeakCanary Method (engineering.block.xyz) A deep dive into diagnosing Android memory leaks with LeakCanary, showing how to systematically find root causes and automate detection using custom ObjectInspectors and YourKit.

Compose-Native CameraX Is Now Stable: End-to-End Guide for Jetpack Compose (proandroiddev.com) CameraX for Jetpack Compose is now stable, bringing a fully composable CameraXViewfinder, built-in tap-to-focus and zoom, and end-to-end camera UIs without AndroidView.

Parsing Pricing with Claude - Checkout Kata in Kotlin (www.youtube.com) In the latest Checkout Kata episode, Duncan McGregor replaces a brittle regex-based parser with an AI-powered approach using an LLM to interpret pricing rules in Kotlin.

What’s new in Kotlin 2.2.21 (www.youtube.com) Sebastian Aigner goes through all the goodies included in Kotlin 2.2.21 in this video.

1+1 Promotion for teams – one enrollment, two developers. Build shared coroutine expertise before Oct 30th (coroutinesmastery.com) When two developers learn together, their codebase benefits immediately. The 1+1 promotion lets you buy one seat in Coroutines Mastery and add a second participant for free — ideal for teammates who want aligned coroutine practices and shared understanding. Buy now and send the second participant’s details by Oct 30th

Kotlin, structured concurrency, and coroutine superpowers – Marcin Moskala joins Talking Kotlin for a must-listen deep dive (www.youtube.com) This Talking Kotlin episode is packed with insight and energy. Marcin Moskala discusses how Kotlin redefined concurrency, what makes structured concurrency safer, and how kotlinx.coroutines unlocks powerful async patterns. If you love Kotlin internals and clever design, this is your next listen.

H3-KMP (github.com) A library to convert Uber’s H3 geo-index to LatLng vertices and back for Kotlin Multiplatform.

skhema (github.com) A new Kotlin Multiplatform library that models schema.org types using set theory and Kotlin interfaces for expressive, type-safe semantic data structures.

KMP Sharing (github.com) A Compose Multiplatform library providing a unified API for sharing text and files across Android and iOS with native performance and easy Compose integration.

Git Backup Hub (github.com) Git Backup Hub is a cross-platform desktop application built with Kotlin Multiplatform and Compose for Desktop, designed to help developers easily back up their GitHub repositories.

anthropic-sdk-kotlin (github.com) This library is an unofficial Kotlin multiplatform variant of the Anthropic SDK.

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