Kotlin Roundup: Ktor in Focus

Ktor 3.0.0 Beta-2 is here!

Last month, we announced Ktor 3.0.0 Beta-2. The key features of this release include:

– Kotlin 2.0 support
– I/O management with the new kotlinx․io library
– HTTP error handling support for server-sent events (SSE)
– Ktor client for Kotlin/Wasm

Click below to see the full list of changes.

Updated Ktor generator

We have updated the Ktor generator, a tool that allows you to easily create a new Ktor application and configure the required functionality. Part of the Ktor generator’s new look and feel includes the easy project configuration and a one-click preview. Additionally, you can now add your plugins to the Ktor plugin registry. Be sure to take this opportunity to contribute to the Ktor ecosystem!

Revamped Ktor tutorials

We have refreshed our Get Started with Ktor Server tutorials to provide a more streamlined and user-friendly experience. These refreshed tutorials now offer more precise instructions, improved examples, and enhanced guidance to help you quickly master the fundamentals of building applications with Ktor. Dive in and explore the new content to kickstart your Ktor journey with ease.

The Managing Complexity With Ktor talk recording

Unlock the full potential of Ktor! The recording of the KotlinConf talk Managing Complexity With Ktor by Garth Gilmour is now available for you to watch and enjoy. Discover how to leverage server-sent events and WebSockets. Plus, master dependency injection with Koin, Kodein, and Hilt.

New Kotlin RPC tutorial

Explore our new tutorial to learn more about Kotlin RPC (remote procedure call). An exciting new addition to the Kotlin ecosystem, Kotlin RPC builds on well-established foundations and runs on the kotlinx.rpc library. Read the tutorial to understand the core Kotlin RPC concepts and discover how to build a simple application with the technology.

The kotlinx.rpc library

The kotlinx.rpc library is live! Now, you can add asynchronous remote procedure call (RPC) services to your Kotlin Multiplatform applications. Visit our GitHub page and share your feedback and feature requests.

KotlinConf 2025 tickets are now on sale!

The countdown to KotlinConf 2025 has officially begun, and we’re excited to announce that tickets are now on sale for this premier event, which will take place from May 21–23, 2025, in Copenhagen, Denmark! The Early Bird tickets have already sold out, so don’t miss the opportunity to get one of the remaining tickets.

Kotzilla joins the Kotlin Foundation

Kotzilla has joined the Kotlin Foundation as a Silver member. This new partnership will advance the ecosystem and enrich the Kotlin community. The Kotzilla team has put significant effort into the advancement of Kotlin, especially with the creation of Koin, an open-source dependency injection (DI) framework.

Kotlin 2.0.10 released

Kotlin 2.0.10 is now available. This is a bug-fix release for Kotlin 2.0.0. For more details, click the link below to check out the release notes on GitHub.

Kotlin 2.0.20-RC released

We’ve also released Kotlin 2.0.20-RC. The highlights of this release include:

– Language: Data class copy function to have the same visibility as constructor
– Kotlin Multiplatform: Static accessors for source sets from the default target hierarchy
– Kotlin/Native: Concurrent marking in the garbage collector
– Kotlin/Wasm: New location of ExperimentalWasmDsl annotation
– Gradle improvements: Support for versions 8.6–8.8

Amper update: standalone projects, settings tracing, and more

The latest release of Amper, version 0.4.0, is now available! In this update, we introduce a clear definition for the project root, provide a first look at settings tracing in Amper, and include various bug fixes and improvements.

Enhanced Column Selection DSL in Kotlin DataFrame

The Kotlin DataFrame library simplifies the process of extracting values from structured data. Our recent blog post unveils the power and versatility of the Column Selection DSL. Explore new functions and improved syntax for selecting values from structured data in Kotlin DataFrame.