Your weekly dose of Kotlin

Register for the newsletter to get your weekly Kotlin dose. It is free, we are lovely and do not send spam


* indicates required

Latest Issue

Kotlin Weekly #-338!

Android Studio Electric Eel ( Android Studio Electric Eel is out, and contains a few goodies that will help us when working with Compose. Check it out!

Kotlin Coroutines - A Comprehensive Introduction ( This article by Riccardo Cardin introduces Kotlin coroutines, and dives into their functionality and concepts.

Kotlin PBKDF2 Secure Password Hashing ( In this hands-on guide, Piotr Wolak covers why password hashing is important, the most important definitions, and how to hash a password with Kotlin and PBKDF2.

Functional Error Management in Kotlin: An Introduction to Arrow-Kt Either Data Type ( Anand Verna wrote a post on the ArrowKt Either data type.

The power of Kotlin for-loop ( In this article Marcin Moskala elaborates on the capabilities of Kotlin for-loop. It might sound basic, but you may learn a thing or two.

Creating testing-friendly Kotlin services with http4k ( Ivan Sanchez writes about how http4k uses Kotlin to make testing of services easy.

A comprehensive guide to Android runtime permissions using Jetpack Compose ( Alex Styl writes in his new article about how we can handle permissions when we are using Jetpack Compose.

Tooltips for Jetpack Compose: Improve User Experience to the Next Level ( Tooltips are one of the most commonly used features in modern mobile development to improve user experience. Jaewoong Eum explains in this article how to use them.

Optimize Your Kotlin Performance - Profiling, Micro-optimizations and Precomputing ( In this new video, Duncan McGregor takes a look at how to optimize the performance of the algorithm from his previous chapter.

Open-Source day with Schrödinger Hat ( Nico Corti speaks with Davide Imola and Lorenzo Pieri directly the Schrödinger Hat community about all Open-Source things.


We rely on sponsors to offer quality content every Sunday. If you would like to submit a sponsored link contact us!.

If you want to submit an article for the next issue, please do also drop us an email.

Thanks to JetBrains for their support!


Suggest a link for an upcoming Kotlin Weekly

Past Issues


What people think about us

“Kotlin Weekly has established itself as one of the main references of what's going on in the Kotlin world.”

Hadi Hariri Head of Developer Advocacy, JetBrains

“If you have time for only a single source of information about Kotlin, Kotlin Weekly is a great choice. It is reliable, informative and fair”

Marcin Moskala Founder of Kt.Academy

“Kotlin Weekly is a comprehensive newsletter that helps me stay up to date with the most notable and recent developments in Kotlin libraries and new community initiatives.”

Raul Raja CTO 47degrees