This week in #Scala (Mar 3, 2025)

Welcome to the new edition of #ThisWeekInScala!

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

New Content

• Announcing Scala Days 2025

• Scala Projects Maintenance Report 2025/02 (Virtuslabs) (PDF)

• Kyo: A New Approach to Functional Effects in Scala with Flavio Brasil and Adam Hearn

• Introduction to Scala 3 Macros

• Repurposing Scala's Pattern Matching for Deeply Embedded

• Calling Scala Native from Java using FFM

• Rock the JVM partners with the Scala Center

• The State of Scala & Clojure Surveys: How is functional programming on JVM doing

• Fast Incremental JVM Assembly Jar Creation with Mill

• sudori part 7: client-side run with sbt

Events

• Announcing Scala Days 2025 (Lausanne, Switzerland, 19–21 August 2025)

• Scala, Frontend and Software Architecture | Scalendar March 2025

• J On the Beach, May 14th - 16th, Malaga, Spain

• Functional World #16 | Scala in 2025: How to Start, What to Learn

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

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

• Scalar 2025 Early Birds!

• [Scala meetups] Functional World | ScaLatin

Releases

• [redacted][0.6.2] released

• Apache Fury Serialization Framework 0.10.0 released: 2X smaller size for map serialization

• pop-test v0.6.7 is out

• scalafmt 3.9.0 released

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)