Kotlin Weekly #-481!

Koog 0.5.0 Is Out: Smarter Tools, Persistent Agents, and Simplified Strategy Design (blog.jetbrains.com) JetBrains has recently released Koog 0.5.0, introducing full Agent2Agent (A2A) protocol support, which makes it easier than ever to build systems of interconnected AI agents in Kotlin.

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SubComposeLayout and BoxWithConstraints internals in Jetpack Compose (www.revenuecat.com) In this article, Jaewoong Eum dives deep into SubcomposeLayout, the internal mechanisms that power it, and how BoxWithConstraints leverages it.

Context parameters and API design (serranofp.com) Alejandro Serrano Mena explores how Kotlin 2.2’s new context parameters reshape API design, proposing clear principles to decide when to use context parameters versus receivers for cleaner, more expressive code.

Shrinking Elephants (engineering.block.xyz) Folks from Block share how they cut IntelliJ + Gradle sync times for a 2000-module Kotlin project from 8.4 minutes to 15 seconds using tools like Spotlight, Fastsync, and artifact swapping.

Non-graph strategies, and when to use them in AI agents (blog.kotlin-academy.com) Vadim Briliantov explains how to build AI agents in Koog without graph strategies, using Kotlin functional APIs for flexible, code-based workflows while keeping persistence and observability as graph-only advantages.

Baking with functions: A guide to higher-order functions and lambdas in Kotlin (proandroiddev.com) Amit Srivastava uses a baking analogy to explain higher-order functions, lambdas, and reified types in Kotlin, showing how they simplify code and refactor classic design patterns.

Exploring Multi-Layer Navigation in Jetpack Compose with Navigation 3 (medium.com) KMP Bits showcases Jetpack Navigation 3 in action with a multi-layer Compose demo, highlighting its new type-safe APIs, modular NavDisplay, and built-in transitions for cleaner, modern navigation architecture.

Koin to Kotzilla - TypeAlias Show #9 - with Arnaud Giuliani and Miguel Faura (www.youtube.com) In this new episode from TypeAlias Arnaud chats with Dave Leeds on Koin, Kotzilla, and the tools shaping how Kotlin devs work, and what’s next for the Koin ecosystem.

Your Voice Belongs Here: Creating Compelling KotlinConf Proposals (www.youtube.com) Pamela Hill and Cheuk Ting Ho share practical tips for crafting standout KotlinConf proposals, helping underrepresented speakers turn their Kotlin stories into compelling talks with confidence and authenticity.

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Talking Kotlin Podcast: Discussing Kotlin Coroutines with Marcin Moskała on structured concurrency and Kotlin’s superpowers (www.youtube.com) In this episode of the Talking Kotlin Podcast, Marcin Moskala explores how different languages approach coroutines and why Kotlin stands out. He dives into structured concurrency, practical design decisions, and the real power of kotlinx.coroutines. Listen for deep technical insights and clear explanations straight from Kotlin’s ecosystem.

GBFS - Mobility Data for Kotlin (code.sargunv.dev) This website provides a complete implementation of GBFS (General Bikeshare Feed Specification) in KMP.

NATS.kt (github.com) NATS.kt is a NATS client built specifically for Kotlin Multiplatform.

localina (github.com) localina is a Kotlin Multiplatform library that supports real-time locale updates in your Compose Multiplatform app.

AuthCheckKit (github.com) AuthCheckKit is a Kotlin Multiplatform library designed to assess the authentication capabilities of iOS and Android devices.

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