READING
Developer Ecosystem Survey 2025
Scala devs unite! Let's fill the survey together and let the world know how we are using the ecosystem.
JetBrains (@jetbrains)
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EVENTS
ScalaWAW #34, May 26th, Warsaw
Planned talks: "Scala 3 support in IntelliJ Scala Plugin" by Maciej Gorywoda and Easier Scala Builds with the Mill Build Tool" by Haoyi Li
ScalaWAW (@scalawaw)
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Functional World #17 - Let's Teach LLMs to Write Great Scala!, May 28th, Online Event
oin Kannupriya Kalra, org admin and mentor for Google Summer of Code with Scala Center, as she takes us on a deep dive into the world of Large Language Models - this time, through a Scala lens. While most AI tooling is built around Python, this talk makes the case for a better, type-safe alternative: Scala. Discover how typed functional programming can unlock more reliable and maintainable LLM-powered applications. Learn from Kannupriya’s experience as the co-creator of LLM4S, the first Scala-first AI toolkit, and see how concepts like zero-shot prompting and agentic workflows come to life in a strongly-typed ecosystem.
Whether you're curious about building AI in Scala or looking for your next open-source project, this talk is your gateway to smarter, safer, and more scalable AI development.
Kannupriya Kalra (@KannupriyaKalra)
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10% discount for Lambda Days, June 12th-13th, Kraków, Poland
Our event is one of the biggest functional programming conferences in Europe with 2 days packed with inspiring talks, networking opportunities, and, of course, some fun(). Use promo code Time4Scala for a special discount for our readers!
LambdaDays (@LambdaDays)
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Scala Days, Aug 19th - 21st, Lausanne, Switzerland
Leaders from Scala User Groups and global communities, students, and language contributors will gather to discuss academic research, use cases, and visionary projects for a two-day, action-packed event.
Scala Days (@scaladays)
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The Scala Workshop, Oct 13th, Singapore
The Scala Workshop is the continuation of the Scala Symposium, providing a forum for researchers and practitioners to discuss the design, implementation, and applications of the Scala programming language. Topics include language features, compiler internals, type systems, libraries, tools, and industrial applications.
EPFL
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Software Delivery Excellence in the age of AI: A Fireside Chat, June 26th, Online Event
As AI-generated code becomes more prevalent, developers face new challenges: larger codebases, longer build times, and a growing gap between code and comprehension. What happens when code is technically correct but semantically opaque? How do we maintain quality, readability, and speed in a world of auto-generated tests and AI-assisted pipelines?
Martin Odersky, Hans Dockter, Trisha Gee
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RELEASES
Spark 4.0.0
Finally with Scala 2.13 compatibility, and a lot more!
Spark Contributors
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sbt 1.11.0
Support to publish to Central Repository via the Central Portal.
sbt contributors
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Mill 1.0.0-RC1
This is a major backwards incompatible release that aims to clean up years of technical debt, and build a strong technical foundation for the next few years of development.
Mill contributors
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etl4s 1.4.1
Pretty, whiteboard-style, config driven pipelines - Looking for (more) feedback!
Matthieu Court
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