Back in 2014, our very first gathering in Warsaw sparked a movement that grew into Central Europe’s premier destination for functional programming enthusiasts. This March, we returned to the Polin Conference Centre to celebrate the 11th edition of the Scalar - functional programming fiesta.

SoftwareMill is a software consultancy specializing in custom software development and distributed systems. Readers can learn about software architecture, cloud computing, and functional programming. With case studies, blog posts, and technical analysis, SoftwareMill provides  insights and expertise for building scalable and resilient software solutions.

SoftwareMill

Scalar 2026, the 11th edition of Central Europe's premier Scala and functional programming conference, took place in Warsaw over two days. Highlights included a keynote by Scala creator Martin Odersky on building trust in AI agents using types and capabilities, a Scala 3.9 LTS roadmap, GPU computing with Cyfra, concurrency comparisons between Fibers, Virtual Threads, and Coroutines, and debates on effect systems like ZIO, Cats Effect, and Kyo. Day two covered Scala 3 features like Opaque Types and Macros, the Scala AI landscape, LLM integration strategies, and using Scala as a scripting replacement for Bash and Python. The event was organized by SoftwareMill and sponsored by JetBrains, Aikido Security, and VirtusLab.

Scalar 2026: Celebrating Functional Programming Fiesta

Do you trust your AI agents? And much more

Networking opportunities and the "Scalarian" vibe

Looking for the "holy grail" of developer productivity

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