Hi Spring fans! Welcome to another installment of This Week in Spring! This week I'm in Nashville, TN, for a meetup presentation on Reactive Spring and then it's off to Kansas City, KS for a replay of the same talk. Both times I'll be joined by pal Mark Heckler. If you're in either of those cities, don't miss this!

I'm working on the next installments of Spring Tips: what would you like to see covered? Let me know on Twitter on @SpringTipsLive.

This week we have a truly massive good many things to look at so let's get started!

• Spring messaging and integration maestro Artem Bilan just announced Spring for Apache Kafka 2.0 M3. The new release includes, among other things, a new KafkaTransactionManager and according supportin the KakfaTemplate.
• Spring Session 2.0 M3 Released - Spring Security and Session ninja Joe Grandja just announced Spring Session 2.0.M3. This new release adds support for Spring WebFlux, and its WebSession and reactive programming in general.
• Not one to rest on his laurels, Christoph Strobl also announced the new release of Spring Data Kay RC1 and RC2…

Update: see also Spring Fu experimental project.

Since our original announcement (very well received by the community!) of official Kotlin support in Spring Framework 5, we have continued to work towards even stronger Kotlin support in conjunction with recent refinements in Spring WebFlux.

In order to demonstrate these features, and how they could be used together, I have created a new spring-kotlin-functional demo application which is a standalone Spring WebFlux application, developed in Kotlin, with Mustache template rendering, JSON REST webservices and Server-Sent Events streaming…

On behalf of the community, I’m pleased to announce the release of Spring Security OAuth 2.2.0.RELEASE.

The 2.2.0.RELEASE includes the following new features:

• JwtClaimsSetVerifier that provides the capability of verifying the claim(s) contained in a JWT Claims Set.

• IssuerClaimVerifier that verifies the Issuer (iss) claim contained in the JWT Claims Set.

• DelegatingJwtClaimsSetVerifier that simply delegates claims verification to it’s internal list of JwtClaimsSetVerifier(s).

• ProviderDiscoveryClient that is capable of discovering provider configuration information as defined by the OpenID Connect Discovery 1.0 specification.

• JwkTokenStore now supports multiple JWK Set URL’s.

• The ability to supply a custom AccessTokenConverter to JwkTokenStore.

  …

Dear Spring Community,

Spring Session MongoDB 2.0.0.M2 is released. It is based on:

• Spring Session 2.0.0.M3

• Spring Data Kay-RC2

• Reactor Bismuth-M3

• Spring 5.0.0.RC3

This is the first milestone with Reactor support, making it usable with Spring WebFlux.

In the meantime, you can get the bits today if you visit the project site, get the coordinates, and include the version number in your Spring Boot application.

Project Site | Reference | Help

On behalf of the team, I am pleased to announce that Spring Boot 1.5.6 has been released and is available now from repo.spring.io and Maven Central.

Spring Boot 1.5.6 fixes a problem with Spring Data's dependency management that was introduced in 1.5.5. Sorry for the inconvenience.

What's next?

After the recent release of Spring Framework 5.0 RC3 and the flurry of other releases that followed, Spring Boot 2.0 M3 has just been released. If you want to take an early look at Spring Boot 2, and we’d love to hear your feedback if you do, please go to start.spring.io and select Spring Boot 2.0.0.M3 or 2.0.0.BUILD-SNAPSHOT…

On behalf of the community, I would like to announce two new Spring Vault milestones: 1.1.0 M1 and 2.0.0 M2. Release 1.1.0 M1 ships with 24 tickets completed and 2.0.0 M2 with 7 resolved tickets and are available from the milestone repository.

Since the previous releases, these features have made it into the current milestones:

• Vault login using via AWS IAM

• Rotation of generic secrets based on their lease duration

• Introduction of VaultEndpointProvider to configure endpoints dynamically

additionally, 2.0.0 M2 ships with:

• Authentication DSL to declare authentication flows

• Reactive support based on Spring Framework 5 WebClient and Project Reactor

• Enhanced tooling support by adding @NonNullApi and @Nullable annotations to be picked up by your favorite IDE

…

Greetings Spring Community!

It is my pleasure to announce the first milestone release of both Spring Session Data Geode for Apache Geode and Spring Session Session Data GemFire for Pivotal GemFire.

Both artifacts can be downloaded from Spring’s libs-milestone Repository using Maven …​

  <dependency>
    <groupId>org.springframework.session</groupId>
    <artifactId>spring-session-data-geode</artifactId>
    <version>2.0.0.M1</version>
  </dependency>

Or with Gradle…​

  compile 'org.springframework.session:spring-session-data-geode:2.0.0.M1'

To use Spring Session with Pivotal GemFire, just switch the artifact from spring-session-data-geode to spring-session-data-gemfire…

We are pleased to announce that Spring Batch 4.0.0.M3 is now available via Github and the Pivotal download repository. This release represents the third milestone for the Spring Batch 4.0 release. Many thanks to all that contributed to this release.

What's new?

This milestone continues the work laid out in the previous 4.0.0 milestones. Specific updates include:

• Dependency updates
• Continued java configuration improvements
• Intial updates to documentation

Dependency updates

As the dependency graph of Spring Boot 2 evolves, we have been updating our dependencies to be in line with them…

The third milestone of Spring Boot 2.0 is available now from the Spring milestone repository. This milestone ensures compatibility with Spring Framework 5.0.0.RC3 and contains a number of other dependency upgrades. This release closes over 100 issues and pull requests, thanks to all that contributed!

For a complete list of changes, and upgrade instructions, see the Spring Boot 2.0.0.M3 Release Notes on the WIKI and the updated reference documentation.

If you want to get started and discover the new features, you can easily bootstrap a new project on https://start.spring.io

Project Page | GitHub | Issues | Documentation | Stack Overflow | …