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Latest Issue

Kotlin Weekly #-445!

Kodee’s Kotlin Roundup: Fresh Picks to Begin 2025 (blog.jetbrains.com) Check out some fresh picks from Kodee to have a nice Kotlinish start in 2025.

Advent of Code in Kotlin: Winners and Community Highlights (blog.jetbrains.com) JetBrains and Ksenia Shneyveys announce the winners and some community highlights from the past Advent of Code in 2025. Check it out.

[SPONSORED] PostHog - Get started with Android session replay (dub.link) PostHog recently released their Android session replay feature. It enables you to capture, playback, and debug exactly what your users are doing on your app. Best of all, it’s free up to 5,000 recordings per month.

Kotlin Constants in Android: Top-level vs. Companion-enclosed (proandroiddev.com) This article contains a deep dive into bytecode and R8 optimizations to understand performance, memory, and APK size implications.

Using Renovate to update build JDK (jakewharton.com) Jake Wharton explains how to use Renovate to automatically update the JDK version in GitHub Actions by migrating to a .java-version file and configuring a custom Renovate manager.

This is why we can’t have nice things: When POM files lie (dev.to) Tony Robalik rants about JVM dependency management failures, particularly JetBrains bundling Guava improperly in Kotlin Compiler, causing ClassCastExceptions and frustration.

Ensuring Secure App Installations in Android: Verifying the Installer Source (medium.com) Binod Basnet wrote a short article explaining how to implement a mechanism to verify the installing source in Android.

Gradle Subprojects, Dependencies & Testfixtures (www.youtube.com) Duncan McGregor continues optimizing the Gilded Rose Gradle build by isolating browser tests into a subproject, exploring Gradle dependencies, TestFixture, and future convention plugins.

Rendering in Compose Multiplatform (www.youtube.com) Mohit explores the different layers that are created in an iOS when a Compose UI is created, takes a look at the purpose of each layer and how Skia is used to draw to the surface.

Senior Software Developer (RubyMine) (www.jetbrains.com) JetBrains is looking for a Senior Software Developer to enhance RubyMine’s IDE functionality, integrate external tools, and improve developer productivity, requiring 5+ years of Java/Kotlin experience.

🚀 Jetpack Compose Recomposition – Master It in ONE Day! (kt.academy) Go big with your Jetpack Compose skills! In just one power-packed day, master recomposition, caching, stability, and more. Learn from an expert, tackle real coding challenges, and level up fast. Hands-on. No fluff. Just results. 🔥 Spots are limited—register now!

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