Today in “Idiomatic Kotlin”, we’re solving another Advent of Code challenge. We will be simulating, diagnosing, and fixing a small, made up game console! If you have ever wanted to implement your own virtual machine or emulator for an existing system like a game console or a retro computing device, you’ll find this issue particularly interesting! As usual, a number of Kotlin features will help

Today in “Idiomatic Kotlin”, we’re looking at day 4 of the Advent of Code 2020 challenges, in which we tackle a problem that feels as old as programming itself: input sanitization and validation. (more…)

Today’s release marks another step in our grand unified theory of UI development with Kotlin! We have a lot of news to talk about for our multiplatform UI efforts, including Compose for Desktop and Compose for Web. Today's announcement builds on Google's news last week that Jetpack Compose is now in 1.0 stable for Android. Here are the highlights: Compose for Desktop and Compose for Web are bei

More desktop UI goodies are coming your way! Milestone 4, the latest version of Compose for Desktop, comes packed with features to help you build even better Kotlin desktop applications with modern, declarative user interfaces based on Google’s modern toolkit. Visit the website In this post, we’ll walk you through some of the highlights of this release. They include: A new, experiment

kotlinx.serialization 1.2 is out! The latest version of our multiplatform serialization library brings a number of improvements – here are the highlights: JSON serialization is faster than ever before. Version 1.2 is up to twice as fast as previous versions when parsing JSON into type-safe Kotlin objects and turning Kotlin objects into their text representations. Kotlin 1.5 type system additi

First came the desktop, now comes the world wide web: Jetpack Compose advances to the browser! Today, we are releasing the first technology preview of Jetpack Compose for Web. While we keep actively developing Compose for Desktop toward its 1.0 release, this is the next chapter in our multiplatform story for Jetpack Compose, bringing Google’s toolkit for building reactive user interfaces with Kotl

The Compose for Desktop journey continues! Since the last milestone release of Compose for Desktop, we’ve done our best to bring you an even better experience when building desktop UIs in a modern and declarative style. Today we’re publishing Compose for Desktop Milestone 3, which introduces significant rendering and interoperability improvements, and makes it even easier to integrate and distribute Compose for Desktop applications.

We are happy to share with you the release of version 1.0 of our multiplatform serialization library, kotlinx.serialization. As the first stable version of the library, we can finally consider it production-ready! Whether you are writing Android apps, using Kotlin Multiplatform Mobile, creating server-side services, or building web frontends with Kotlin/JS – kotlinx.serialization comes with a sim

We’re almost there! We're happy to unveil Kotlin 1.4.0-RC – the release candidate for the next major version of our programming language. Read on to learn about what has changed in Kotlin 1.4.0-RC, and make sure to try its new features before they are officially released with Kotlin 1.4.0. A special thanks to everyone who tried our milestone releases (1.4-M1, 1.4-M2, and 1.4-M3), shared their fee

We are happy to announce the first preview version of the new major release: Kotlin 1.4-M1. A few months ago, we published an announcement of what to expect in Kotlin 1.4. As the release approaches, we're offering you a preview in which you can try some of the new things for yourself. In this post, we'll highlight the following new features and key improvements available in 1.4-M1: A new, m