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March 19th, 2020, ISSUE 318


Akka Cluster application design

Learn how to leverage Akka Cluster to build a simple application which is horizontally scalable in true ES/CQRS spirit.
Krunoslav Uzelac (@krunoslavuzelac)
Spring to ZIO 101

How would one coming from a Spring background get their bearings fast with FP & ZIO?
Adrian Filip (@realAdrianFilip)
NE Scala in the Time of Social Distancing

We wound up using a combination of Zoom and Slack to make it happen, and while it wasn’t the same as the in-person conference would have been, it worked solidly well for the talks and adequately for the socializing.
Mark "Justin" Waks (@jducoeur)
Scala 3 support in IntelliJ Scala plugin

Get preliminary support of Scala 3: the new syntax, error highlighting, navigation, type info, and many other bread-and-butter IDE features.
Pavel Fatin (@pavelfatin)
Separate Docker Layers for Dependencies and App JARs

How newest enhancement of SBT Native Packager Docker Plugin will save you some disk space.
Przemek Piotrowski (@ppiotrow)
What are the benefits of the ZIO modules with ZLayers

Providing the runtime / environment is now easy and flexible!
Pascal Mengelt
Migrating ZIO environment from RC-17 to RC-18

Some great examples about how to migrate your current code to ZLayers.
Wiem Zine (@WiemZin)
The cost of Scala Option

It may not be as cheap as you wish.
George Leung
Top Link of February: Building Serverless Scala Services with GraalVM

This was definitely the most popular article last month, so let's recap!
Noel Welsh (@noelwelsh)


ScalaUA, April 3th-4th, Kyiv, Ukraine

Wholesale 10+ tickets are available till 2020.04.02.
ScalaUA (@ScalaUA_Conf)
Scala Love Remote Conference, April 18

CFP is open now!
Scala Love (@scala_love)
Effective Scala Workshop, April 21-22. Join us in person at San Damiano in Danville, CA, USA, or connect remotely.

Use code: SFSCALAAPR20 to get -10%.
Artima, Inc (@ArtimaInc)
Scala Swarm, June 18th-23rd, Porto, Portugal

Ticket sale is now open, come quick and grab your ticket to this unique event!
ScalaSwarm (@ScalaSwarmConf)
Scalar, October 8th-10th, Warsaw, Poland

Get ready for the workshop-driven FP event in Poland!
Scalar (@scalarconf)
[cancelled] ZIO Hackathon, March 22nd-23rd, Warsaw, Poland

The event has been cancelled due to the COVID-19 virus.
Ziverge (@zivergetech)
[cancelled] flatMap(Oslo), May 14th-15th, Oslo, Norway

The event has been cancelled due to the COVID-19 virus.
flatMap(Oslo) (@flatmaposlo)


Scala 2.12.11

Performance improvements, fixes, and more!
Scala contributors
scala-xml 1.3.0

Fixes for Scala 2.13, Publish for Scala.js 1.0, various unused public classes and methods are deprecated.
scala-xml contributors
Akka 2.6.4

In addition to bug fixes and improvements it includes 3 bigger new features related to Akka Cluster, including powerful sharded daemon processes.
Akka contributors
Dotty 0.23.0-RC1

Safe initialization checks, type-level bitwise operations and more.
Dotty contributors


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