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March 22nd, 2026, ISSUE 612

READING

One line in SBT 2- How Remote Caching Cut Our CI in Half

One line in build.sbt replaces a third-party S3 plugin and its entire credential apparatus. But what makes this migration genuinely useful is the combination of changes, especially incrementally building and testing using remote caching.
Idan Ben Zvi
Generating Direct-Style Scala 3 Applications

Claude generates correct direct-style Scala 3 applications based solely on the tech stack and chosen paradigm. However, there are a couple of areas where guidance is useful.
Adam Warski (@adamwarski)

RELEASES

fs2 3.13.0

Cats Effect 3.7.0, and Scala Native 0.5 support with real multi-threading on Scala Native! fs2 also now uses virtual threads when possible. Check out other exciting fixes and feature updates!
fs2 contributors
Idbc 0.6.0

A pure functional JDBC layer with Cats Effect 3 and Scala 3. This release includes significant enhancements to OpenTelemetry telemetry and support for MySQL v9.
Takahiko Tominaga (@takapi327)

EVENTS

ScalaWAW #39 - Scalar warmup!, Mar 25th, Warsaw, Poland

“Everything You Need to Know to Get Started with Caching in sbt 2.x” by Aleksandra Zdrojowa + "Lightweight Declarative Scala Builds with Mill 1.1.0" by Li Haoyi
ScalaWAW (@scalawaw)
Scalar, Mar 26th - 27th, Warsaw, Poland

One week left!
SoftwareMill (@softwaremill)
Lightweight Declarative Scala Builds with Mill 1.1.0 & ALPACA, Tue, Mar 31st, Kraków, Poland

The Krakow Scala User Group hosts an evening meetup focused on Mill 1.1.0, the declarative Scala build tool, and ALPACA. A great opportunity to explore modern, lightweight alternativs to sbt in a collaborative setting.
Kraków Scala User Group
The Scala Workshop CFP, Jun 29th, Brussels, Belgium

CFP ends on Mar 23th!
Scala Workshop
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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