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April 7th, 2026, ISSUE 614

READING

Fixing a Command Injection Vulnerability in sbt

During our ongoing work on sbt 2, we discovered and fixed a command injection vulnerability affecting sbt on Windows.
Anatolii Kmetiuk (@AKmetyuk)
Scala's Momentum in the AI Era

After years of slow growth, Scala might be entering a very different phase.
Kasper Kondzielski (@kkondzielski)

RELEASES

Scala 3.8.3 is now available!

Local coverage exclusions, safe mode for capability-safe code, scala 2 JVM optimizer ported to Scala 3, -print-lines is deprecated for removal, but remains accepted as a no-op.
Scala contributors (@scala_lang)
alpaca

A modern, type-safe lexer and parser library for Scala 3, featuring compile-time validation and elegant DSL syntax.
Bartłomiej Kozak
kindlings 0.1.0

Type class derivation that just works, on Scala 2.13 and 3.
Mateusz Kubuszok (@MateuszKubuszok)
proteus

Code-first Protobuf and gRPC library for Scala.
Pierre Ricadat (@github)
magnum 2.0.0-M3

Preserve the original exception when another one happens, plus other fixes.
August Nagro (@augustnagro)
hearth 0.3.0

This is the biggest Hearth release so far: - Standard Extensions, Union Types, Rules, Flame Graphs, MIO Timeouts, hearth-munit, and Much More.
Mateusz Kubuszok (@MateuszKubuszok)
Apache Pekko 1.5

Apache Pekko is a toolkit for building highly concurrent, distributed, and resilient message-driven applications for Java and Scala.
Pekko contributors

EVENTS

The Scala Workshop CFP, Jun 29th, Brussels, Belgium

CFP ends on Mar 23th!
Scala Workshop
Announcing Scala Days 2026

We are very happy to announce that the Scala Days 2026 conference will be taking place 12 - 13 October in Berlin, Germany, one of Europe’s most vibrant tech and open source hubs, known for its strong culture of collaboration and its growing role in advancing digital sovereignty through open technologies.
Scala Contributors (@scala_lang)
J On the Beach, Oct 29th - 30th, Malaga, Spain

A Pure Tech and Fun Conference for All Things Data. Join the CFP, open until March 31st.
J On The Beach (@JOTBConf)
Lambda World, Oct 29th. - 30th, Malaga, Spain

Experience the sunshine, the code, and the unforgettable vibe that made Lambda World 2025 shine in Málaga. CFP open until March 31st.
Lambda World (@lambda_world)

VARIA

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