Kotlin Weekly #-521!

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[SPONSORED] Free Kotlin Coroutines Cheat Sheet for everyday work with scopes, dispatchers and structured concurrency (cheat-sheet.kt.academy) Keep the most important coroutine concepts within reach. Download a free PDF covering coroutine builders, scopes, dispatchers, job lifecycle and structured concurrency. Created by Marcin Moskala, it’s a practical reference you’ll return to while developing Kotlin applications.

Change the Map: Feature Flags and Remote Config in Kotlin Multiplatform (medium.com) KMP Bits outlines an architecture for implementing feature flags and remote config in Kotlin Multiplatform using unified commonMain evaluation, a cache-first approach, and debug-only local overrides.

Our Droidcon US 2026 Picks (touchlab.co) Sam Hill shares their top talk picks for Droidcon US 2026, highlighting sessions on AI workflows, Kotlin/Native architecture, Rust interop, and Declarative Gradle.

Teaching a Kotlin Chess Engine to Debug Itself (proandroiddev.com) Gabor Berenyi demonstrates how to architect deterministic Kotlin Multiplatform logic using dual verification oracles, a bug localizer, and an MCP server so AI coding agents can test, debug, and fix code autonomously.

The full KMPilot walkthrough: an Android + iOS app from seven Claude Code commands, every prompt and timing included (proandroiddev.com) KMPilot is an open-source template that structures Claude Code into a seven-command, spec-driven pipeline to reliably generate architecturally consistent Kotlin Multiplatform apps.

Rewriting Claw’s HTML parser for over-the-air updates (msfjarvis.dev) Harsh Shandilya detail-describes rewriting the Lobsters client app Claw to run its HTML parser via Cash App’s Zipline, enabling dynamic over-the-air updates for Kotlin Multiplatform using Kotlin/JS.

Building androidskills.dev - Episode 3 (www.youtube.com) In this new video by Code with the Italians, Sebastiano and Ivan keep building androidskills.dev

How I Learned to Stop Worrying and Love Value Semantics (in Kotlin) (www.youtube.com) Marat Akhin explores the benefits and trade-offs of value semantics in Kotlin, demonstrating how features like data classes, value classes, and immutable collections simplify state and concurrency with minimal performance overhead.

Peeling back the Layers: A Navigation3 Deep Div (www.youtube.com) Marcello Galhardo and Ian Lake dive deep into the Navigation3 API surface, exploring its NavDisplay overloads and helper APIs to show developers how to leverage its core building blocks for custom navigation logic.

My Best Practices For Showing Errors In an App - Building Successful Apps (www.youtube.com) Philipp Lackner breaks down best practices for app error UI, detailing when to use snackbars, persistent banners, inline text field errors, or full-screen displays to improve user experience.

Run, Kotlin, Run! (www.youtube.com) Marc Reichelt presents a fast-paced lightning talk exploring the various platforms and runtimes capable of executing Kotlin, from JVM, Native, JS, and WebAssembly to more exotic targets.

log4k (github.com) log4k provides a robust, event-driven logging and tracing platform specifically designed for Kotlin Multiplatform.

Parikshan (github.com) Parikshan is an end-to-end testing framework for Compose Multiplatform that allows writing cross-platform Kotlin tests with built-in screenshot and video capture, requiring no test dependencies in the main app.

Library Insight (github.com) Library Insight is a JVM API explorer and MCP server that inspects compiled Java and Kotlin libraries (JARs/AARs) to build version-accurate API indices, version diffs, and token-efficient AI context.

CloudBridge (github.com) CloudBridge is a Kotlin Multiplatform library that provides a unified, cross-platform API for interacting with Dropbox, Google Drive, and Microsoft OneDrive across Android, iOS, Desktop, and Web.

kPointer (commonsware.com) kPointer by Mark Murphy is a new Kotlin library replacing cw-json that supports querying JSON, YAML, HTML, and XML data structures using JSON Pointer and JavaScript access path notations.

ticker (github.com) ticker by iamjosephmj is an Android library that leverages Linux kernel timerfd primitives to deliver zero-thread, kernel-aligned wall-clock ticks without drift or wakelocks.

Andy (github.com) Andy is an open-source desktop and web companion app for Android, Kotlin, and Compose Multiplatform developers that combines device mirroring, app debugging tools, performance profiling, and AI coding agent integrations in one place.

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