A free, once-weekly Scala news flash. Easy to unsubscribe. Goes out every Thursday.
January 26th, 2023, ISSUE 466


Pub/Sub with Scala

How to get the best of Google Pub/Sub with your favourite programming language.
Krzysztof Grajek (@grajo)
6 Tips for Scala Adoption

I will share our experience on how to find the right balance.
Yurii Krat
Scala Resurrection

A thorough diagnosis of all the pain points in the Scala ecosystem, followed by a call to resurgence.
John A. De Goes (@jdegoes)
Implicit parameters when to use them? Part 2

Today, I will present a second use case for implicit parameters: the typeclasses.
Julien Truffaut (@JulienTruffaut)
fs2-kafka introduction: deserialization with careful error handling

A step-by-step description of how to build a nontrivial deserializer with proper error handling.
Anton Kovalevsky (@antonkw_sky)
Alerting and how 50 lines of code changed how we do it

Learn how to leverage LogstashMarker to allow specifying alerting metadata in Scala logger calls.
Wojciech Pituła
Scala Works

A community aiming to provide standards, best practices, and "generally good advice" around Scala.
Scala Works
Call for Scala GSoC 2023 projects!

Call for open source Scala projects for Google Summer of Code 2023!
Scala Center (@scala_lang)
F[F[S]] Kafka! - Case study: The digital transformation of Santa’s logistical nightmare - Part 3 fs2-kafka

Some introductory steps describing how to set up and use a Consumer and a Producer.
Functional Feline Society


Scalar 2023, March 23rd-24th, Warsaw, Poland

Your favourite Scala conference is back!
SoftwareMill (@scalarconf)
NEScala 2023 Call to Action

We need volunteers who are willing to put in some real effort to work together and make NEScala 2023 happen. Spread the word!
Justin du Coeur (@jducoeur)
Scala Days, June 4th-7th (Seattle, USA), Sept 11th - 12th (Madrid, Spain)

This year’s Scala Days marks the conference’s return since it was put on hold in 2020. This year we’re happy to host in Seattle, WA, in the US, and Madrid, Spain.
Scala Days (@scaladays)



GPU Accelerated Deep Learning for Scala 3
Storch contributors
Scala compiler: unused entities handling and linter extensions

A PR, related to my semester project on adding dotty's linter features.
Paul Coral
Scala.js 1.13.0

This release drops support for Scala 2.11. Finally, 5 years after Scala 2.11 was declared end-of-life, we decided to drop support for it in Scala.js. We also dropped support for Scala 2.12.1 (Scala 2.12.2+ is still supported, of course). Other than that, this release brings a number of bug fixes and enhancements
Scala.js contributors (@scala_js)

  1. Scala Times Issue #475

    Actor implementation experiments with ZIO. Vote for Scala support in JetBrains Fleet IDE. 10+ Scala Concepts you Need to Know. Call For Proposals - ZIO WORLD 2023 . 10% discount for Functional Scala, Nov 30th - Dec 1st, London.

  2. Scala Times Issue #474

    RFC-1: sbt cache ideas. Functional Programming anti-patterns in Scala. Why use Scala for building backend applications?. Pragmatic DDD in Scala with ZIO. Call For Proposals - ZIO WORLD 2023 .

  3. Scala Times Issue #473

    Enum serialization in Scala. The official Scala programming language Mastodon account. Functional Programming is Based. Scala is Ready to Power the Future of Financial Services Today. VS Code Profile for Scala.

  4. Scala Times Issue #472

    Contribution Equals Impact. Scala Center's five-year impact report. ZIO Streaming Applications, Transformation, and Error Handling. Scala case class comparison using diffx. Proxy large messages via S3 with pass4s.

  5. Scala Times Issue #471

    A solid checklist for configuring new Scala projects. Coding Adventures with Party Parrot. Scala Center Is Accepted as a Mentor Organization for GSoC 2023!. Scala 3's New Compile-Time Features. Exclusive Scalar offer for Scala Times subscribers.

  6. Scala Times Issue #470

    Kubernetes and the JVM. Exploring Scala CLI  -  the new scala runner. An incomplete guide to Scala 3 macros and Multi-stage programming. Web Scraping with Scala. Cross build anything with Bazel.

  7. Scala Times Issue #469

    Performance tips for IntelliJ Scala Plugin. Introduction to Bazel for Scala developers. Gradle Inc. Acquires Triplequote to Expand Developer Productivity Solutions Footprint. Concise enumeration in Scala. Akka Streams - Working with Stage Actors.

  8. Scala Times Issue #468

    Prototype Loom-based concurrency API for Scala. Why Learn Contextual Abstractions in Scala 3 First. 10 years of Scala.js. ZIO From Scratch (Part 4). ZIO From Scratch (Final).

  9. Scala Times Issue #467

    Scala Center Roadmap for 2023 and Beyond. How to use a Rust lib inside the Scala app. Scalar 2023, March 23rd-24th, Warsaw, Poland.

  10. Scala Times Issue #466

    Pub/Sub with Scala. 6 Tips for Scala Adoption. Implicit parameters when to use them? Part 2. Call for Scala GSoC 2023 projects!. Scalar 2023, March 23rd-24th, Warsaw, Poland.

  11. Scala Times Issue #465

    Deploy http4s on your domain with fly.io. Early adventures in ZIO land. Implicit parameters when to use them? Part 1. Tour of Scala. Sttp4: improving the developer experience.

  12. Scala Times Issue #464

    Scala CLI Tutorial: Creating a CLI Sudoku Solver. Scalar 2023, March 23rd-24th, Warsaw, Poland. NEScala 2023 Call to Action.

  13. Scala Times Issue #463

    Universally Unique Sortable Identifier - ULID. Compile time validation using inline modifier in Scala 3. Thank you for taking part in Advent of Code 2022!. Nix Flake for Scala - a Nix Introduction, Overview and Demo. Scalar 2023, March 23rd-24th, Warsaw, Poland.

  14. Scala Times Issue #462

    Support Scala Center. Dancing with ZIO. Scalar 2023, March 23rd-24th, Warsaw, Poland. NEScala 2023 Call to Action. CFP: ScalaMatsuri (Online event, April 15th-16th 2023).

  15. Scala Times Issue #461

    Python and ZIO crushed my egotism. Fast Scala 3 parsing with tree-sitter. Scalar 2023, March 23rd-24th, Warsaw, Poland. NEScala 2023 Call to Action. CFP: ScalaMatsuri (Online event, April 15th-16th 2023).

  16. Scala Times Issue #460

    Fabric: A New JSON Library. Benchmarking Kafka vs Akka Brokerless Pub/Sub. Scala Developer Survey 2022 Results. State of Scala survey 2022. Integration testing using docker containers in Scala.

  17. Scala Times Issue #459

    IntelliJ Scala Plugin 2022.3. Scala Center Advent of Code. Use Typescript libraries with Scala.js! - ScalablyTyped. The fastest and safest JSON parser and serializer for Scala. Lichess on Scala 3.

  18. Scala Times Issue #458

    Grenoble Scala User Group (France). Getting started with Scala.js, Laminar and ScalablyTyped. Finagle Tutorial: Twitter's Scala RPC Library. Scalar 2023, March 23rd-24th, Warsaw, Poland. NEScala 2023 Call to Action.

  19. Scala Times Issue #457

    Native Config Lands in ZIO 2.0 . Automatic parallelisation of for-comprehensions in Scala 3. The Journey of a Dotty Diagnostic. The Magic of Lazy Lists. Scala 3: the missing compiler plugin.

  20. Scala Times Issue #456

    Scala Toolkit makes Scala powerful straight out of the box. Scala 3 migration: 7 benefits that outweigh the risks. Google Summer of Code 2022: How It Was. Things that are things, but not other things. Function reuse is just wishful thinking.

  21. Scala Times Issue #455

    Integrating Java APIs with Cats Effect. Speed up ZIOs with memoization. Archive your toots to Hugo. Software Engineering Radio: on Scala and Tapir . Top 10 Skills to Learn to Be a Scala Developer.

  22. Scala Times Issue #454

    I ❤️ Scala's Community. Immutable Collections should be Your Default. Data Transformations in Scala with Gallia: Version 0.4.0 Is Out. Quine 1.4.0: Scale, Stability, Supernode Mitigation. Functional Scala 2022, December 1st-2nd, London.

  23. Scala Times Issue #453

    Scala for Game Server Development. Pekko accepted into the Apache Incubator. On Scala 3's Optional Braces. ZIO HTTP Tutorial, Part 2 - Security, CORS, CSRF, Authentication, Websockets. Where to find a Remote Scala Job?.

  24. Scala Times Issue #452

    The case against Effect Systems (e.g., the IO data type). Cut the Technobabble. Build Web Apps with ZIO 2.0, October 17th-19th. ZIO Hackathon, October 27th-28th, New York, USA & Online. Functional Scala 2022, December 1st-2nd, London.

  25. Scala Times Issue #451

    Support for XML request responses in sttp and tapir. Scala Center Activity Report for 2022 Q3. SBT in Scala (part 3). ZIO API Design Techniques. Migrating From Akka to ZIO Panel Discussion.

Organizing an event?
Promote it with
Scala Times.
The Scala Times reader?
Get a banner!
Got a tip?Send it in!
Follow us onTwitter.
Curated bySoftwareMill.
We arehiring.
Andtaking on projects.