This week in #Scala (Feb 17, 2025)

Welcome to the new edition of #ThisWeekInScala!

This blog keeps you updated with the latest Scala and Reactive programming news.

New Content

• Scala Highlights from 2024

• GSoC 2025: Call for Scala projects

• What do we expect from Scala in the age of LLM-supported coding?

• Scala 3 Migration: Report from the Field

• Fast Incremental JVM Assembly Jar Creation with Mill

• Scala Tooling Spree #1 recap

• Rust from a Scala Perspective: Advent of Code 2024

• teckel—A framework designed to simplify the creation of Apache Spark ETL (Extract, Transform, Load) processes using YAML configuration files

• sbt-codeshovel—Dig into git history for individual methods

• Theater—A typed state machine + actor model for typelevel ecosystem

• IntelliJ IDEA x Scala - Constructors and Apply Methods

Events

• [London Scala User Group] Direct-style Scala vs Effect systems & How to Macro - Feb 19 (Wed)

• Scala Meetups in Hamburg (25th) & Berlin (26th), Germany

• Strong Typing and the Errors It Prevents (presented by Jack Leow) (Dallas)

• [Scala Meetup - San Francisco] - Designing the library powering Netflix's QoE with Scala 3 & Let's Teach LLMs to Write Great Scala!

• CFP for Lambda Days, June 12th-13th 2025, Krakow, Poland

• Functional Scala 2024 [Online]

• Scalar 2025 Early Birds!

• [Scala meetups] Functional World | ScaLatin

Releases

• sttp 4.0.0-RC1 released

• mill 0.12.6 is out

Learning Materials

• Online Courses (MOOCs) from The Scala Center

• Functional Programming in Scala JetBrains course

• Scala 3 Metaprogramming Learning Resources

• The Functional Programming in Scala Course Is Out!

• Functional Declarative Design: A Comprehensive Methodology for Statically-Typed Functional Programming Languages

• Get Programming with Scala by Daniela Sfregola (30% off)

• Play for Scala (30% off)

• Grokking Functional Programming (30% off)

• Functional Programming for Mortals (pay as much as you want)

• Essential Effects by Adam Rosien (20% off)

• Programming in Scala, Fifth Edition

• Functional Event-Driven Architecture: Powered by Scala 3 is now 100% complete

• Zionomicon (code is thisweekinscala)

• Supercharge Scala Future | FP-Tower (50% off)