Akka gRPC 2.1.0 released

[raboof (Arnout Engelen)]

Dear hakkers,

We’re happy to announce version 2.1.0 of Akka gRPC!

gRPC is a transport mechanism for request/response and (non-persistent) streaming use cases. See Why gRPC? for more information about when to use gRPC as your transport.

Highlights

• fixes to make Akka gRPC work on Scala 3 (thanks to @RomanLebid)
• proto3 optionals support thanks to @thesamet
• various performance improvements thanks to @jrudolph, @patriknw, @viktorklang and @lomigmegard.

Changes since 2.0.0

• Fix incompatibilities when using Scala 2.13 artifacts with Scala 3 #1403 by @RomanLebid
• Marshal unary responses directly into strict entities #1365 by @jrudolph
• Strict unmarshalling #1372 by @jrudolph
• use ByteStringBuilder in encodeFrameData #1397 by @jrudolph
• Base marshaller √ #1374 by @viktorklang
• Percent-encode grpc-message #1389 by @note
• Use provided implementation for stream parsing 1180) #1318 by @lomigmegard
• simplify protocol selection #1398 by @jrudolph
• Always close GZIPOutputStream #1381 by @patriknw
• Optimize Codecs #1380 by @patriknw
• Add proto3 optionals support. #1379 by @thesamet
• Avoids copying in BaseMarshalling when first read is total #1366 by @viktorklang

Gradle

• Use onlyIf condition instead disable javaCompile task. #1416 by @Vict0rynox
• Encode logfile option with URLEncoder #1363 by @jasonxh

sbt

• Update grpc-core, grpc-interop-testing, … to 1.39.0 #1399 by @scala-steward
• Marshal unary responses directly into strict entities #1365 by @jrudolph

Documentation

• Use handler directive in Akka HTTP interop Scala sample #1427 by @raboof

Project infrastructure

• build: avoid whitesource check failure for PRs from forks #1414 by @jrudolph
• Fully migrate from travis to github actions #1411 by @jrudolph
• Add scala3 scripted test #1406 by @raboof
• Add fossa check #1442 by @raboof
• Release train template tweaks #1444 by @raboof
• Drop Whitesource #1439 by @ignasi35
• Fix product name in Contributing #1316 by @eugeniyk
• Cancel running jobs when new commits pushed #1440 by @ignasi35
• build: master → main in more places #1410 by @jrudolph
• Fix LoadBalancingIntegrationSpec actor system name #1393 by @raboof
• Remove travis jobs already covered with GH Actions #1369 by @raboof
• Test paradox on gh actions #1370 by @raboof
• Fix ‘benchmarks’ project #1376 by @raboof
• Add protobuf serializer tests #1371 by @raboof

Updates

• Update akka-http to 10.2.6 #1425 by @jrudolph
• Update akka-http-cors to 1.1.2 #1421 by @scala-steward
• Update compilerplugin, scalapb-runtime to 0.11.5 #1426 by @scala-steward
• Update grpc-core, grpc-interop-testing, … to 1.40.1 #1434 by @scala-steward
• Update logback-classic to 1.2.5 #1420 by @scala-steward
• Update maven-core, maven-plugin-api to 3.8.2 #1428 by @scala-steward
• Update org.eclipse.jgit to 5.12.0.202106070339-r #1384 by @scala-steward
• Update paradox-theme-akka, … to 0.39 #1418 by @scala-steward
• Update protobuf-java to 3.17.3 #1385 by @scala-steward
• Update sbt, scripted-plugin to 1.5.5 #1405 by @scala-steward
• Update sbt-assembly to 1.0.0 #1383 by @scala-steward
• Update sbt-jmh to 0.4.3 #1368 by @scala-steward
• Update sbt-mima-plugin to 1.0.0 #1435 by @scala-steward
• Update sbt-reproducible-builds to 0.30 #1438 by @scala-steward
• Update sbt-scalafmt to 2.4.3 #1404 by @scala-steward
• build: use latest versions of Scala #1408 by @jrudolph
• Update slf4j-api to 1.7.32 #1415 by @scala-steward

For a full list of changes see the releases overview

Credits

For this release we had the help of 13 contributors – thank you all very much!

Author	Commits	Lines added	Lines removed
raboof	14	236	86
jrudolph	12	443	367
note	2	224	14
patriknw	2	57	30
viktorklang	2	41	20
ignasi35	2	8	56
lomigmegard	1	63	36
RomanLebid	1	52	43
Vict0rynox	1	33	8
jasonxh	1	11	2
eugeniyk	1	2	2
thesamet	1	2	0

The Akka core team is employed by Lightbend. If you’re looking to take your Akka systems to the next level, let’s set up a time to discuss our enterprise-grade expert support, self-paced education courses, and technology enhancements that help you manage, monitor and secure your Akka systems - from development to production.

Happy hakking!

– The Akka Team