In this talk, I will introduce the highlights of what to look forward to in Scala 3.9 LTS, as well as how to think about the upcoming new release.

The new Scala 3.9 LTS is planned to arrive in Q2 2026. With it, a wave of significant changes will soon flood the Scala ecosystem. Numerous language features, a new runner, a revamped REPL, bumped JDK, the list runs long.
In this talk, I will introduce the highlights of what to look forward to in Scala 3.9 LTS, as well as how to think about the upcoming new release. I will summarise the changes since 3.3 LTS, unpacking some of the development history. I will also talk about 3.3 LTS ongoing support, JDK compatibility and other things you might wonder about, thinking about Scala going forward.
Drawing from multiple Scala LLM workshops we conducted this past year, I will share insights to significantly enhance your AI experience.
Protobuf is commonly associated with code generation. However, in large projects with tens of thousands of message definitions, this approach can lead to an overwhelming amount of generated code. In this talk, I’ll share my journey in search of a different approach to this problem.
We'll explore type classes in Scala 3, using its new rules for givens, extension methods, and mechanisms for automatic derivation via mirrors or macros.
This talk will explore the use of Scala as a scripting language, replacing the Bash and Python scripts common throughout the industry.
So, is there a modern solution for web apps that is powerful, simple, and blazingly fast in both CI and the browser? A solution that lets you write in your favorite backend language and is fun? The answer is Datastar!