On behalf of the Spring Boot team and everyone that has contributed, I am pleased to announce that Spring Boot 3.3.0 has been released and is available from Maven Central.

This release adds a significant number of new features and improvements. For full upgrade instructions and new and noteworthy features please see the release notes.

What's new in 3.3

The highlights of the 3.3 release include:

• CDS Support for improved startup times and reduced memory consumption
• Observability improvements, for example support for Micrometer's @SpanTag, a process InfoContributor and Prometheus 1.x support
• Spring Security improvements, for example an auto-configuration for JwtAuthenticationConverter
• Service connection support for Apache ActiveMQ Artemis and LDAP
• Docker Compose support for Bitnami Container Images
• Virtual thread support for websockets
• Support for Base64 resources in property (and YAML) files
• Support for SBOMs with the new SBOM actuator endpoint
• A completely revamped documentation…

On behalf of the team and everyone who has contributed, it is my pleasure to announce the release of Spring Authorization Server 1.3.

The 1.3 release contains a few noteworthy new features:

• RFC 8705 OAuth 2.0 Mutual-TLS Client Authentication and Certificate-Bound Access Tokens (gh-101)
• RFC 8693 OAuth 2.0 Token Exchange (gh-1525)
• Multitenancy support (gh-1342) -- see the guide How-to: Implement Multitenancy

See the 1.3 release notes for complete details.

To get started using Spring Authorization Server, see the Getting Started chapter of the reference documentation and the samples to become…

On behalf of the team and everyone who has contributed, I am pleased to announce that Spring Framework 6.1.8, 6.0.21 and 5.3.36 are available now.

We are releasing out of our usual cycle to fix an AOP regression that was shipped last week.

• Spring Framework 6.1.8 ships with 10 fixes and documentation improvements. This version will be shipped with Spring Boot 3.2.6, to be released tomorrow.
• Spring Framework 6.0.21 ships with 6 fixes and documentation improvements. This version will be shipped with Spring Boot 3.1.12, to be released tomorrow.
• Spring Framework 5.3.36 ships with 3 fixes and documentation improvements.
…

We are happy to announce the availability of the third milestone of Spring Framework 6.2. We released M2 last week, but decided to ship M3 along our latest set of maintenance releases.

Spring Framework 6.2.0-M3 is available from repo.spring.io/milestone now, with a few new features.

6.2 features recap

Check out our What's New page for details about the new features available at this point.

On behalf of the team and everyone who has contributed, I am pleased to announce that Spring Batch 5.0.6 and 5.1.2 are available now from Maven Central!

These patch releases come with a number of bug fixes, improvements and dependencies updates. You can find the release notes of each version here: 5.0.6 and 5.1.2.

We look forward to your feedback on Github Issues, Github Discussions, Twitter, and StackOverflow.

Spring Batch Home|Source on Github|Reference documentation

On behalf of the team and everyone who has contributed, I’m happy to announce that Spring Cloud Data Flow 2.11.3 has been released and is now available from Maven Central.

Notable Changes in 2.11.3

• Updated versions and mitigations for CVEs.

  • CVE-2024-22263 Skipper upload validation vulnerability mitigated.
  • Nimbus 9.37.2
  • BouncyCastle 1.78.1
  • Spring Kafka 2.9.13
  • Embedded Tomcat 9.0.88
  • Netty family
    • Netty to 4.1.109.Final
    • Reactor BOM to 2020.0.43
    • Rsocket BOM to 1.1.4

• Added tasks/thinexecutions used to list Task Executions more efficiently.

Library Updates

• Spring Framework 5.3.34
• Spring Security 5.7.12
…

On behalf of the team and everyone who contributed, I am pleased to announce Spring Integration 6.3.0.

In addition to regular bug fixes, dependency upgrade, there were some deprecation refactoring. The Migration Guide includes some of them.

Here are some notable improvements and new features:

• The ObservationPropagationChannelInterceptor has been deprecated in favor of enabling observation on the specific channel.
• The spring-integration-security module is completely removed in favor of API from spring-security-messaging module.
• The MockIntegrationContext.substituteTriggerFor() API has been introduced.
• The MessageHistory header is now mutable, append-only container. This provides some performance optimization when we don't create a new Message on every history track.
…

I’m happy to announce that Spring for Apache Pulsar 1.0.6 has been released and is now available from Maven Central.

This release will be included in the upcoming Spring Boot 3.2.6 release.

This release includes documentation improvements and dependency upgrades.

Please see the release notes for more details.

Welcome to another installment of This Week in Spring! It's been yet another amazing and exciting week and with it a bevy of new releases. And of course, in about a week's time, we will find ourselves at Spring IO, ready to show a lot of these new things. Will you be there? I will! Anyway, let's dive right into it. There are a ton of new releases!

• Spring for Apache Pulsar 1.0.6 is available now
• Spring for Apache Pulsar 1.1.0 is available now
• Spring AMQP 3.0.14 and 3.1.5 available now
• Spring Web Services 4.0.11 is available now
• Spring Data 2024.0 goes GA
• Spring Data 2024.1.6 and 2023.0.12 available now
• Spring Framework 6.2.0-M2 available now
• In last week's exciting installment of a A Bootiful Podcast, I talked to Oleg Šelajev, of Docker and Testcontainers legend
• Spring Framework 6.1.7, 6.0.20 and 5.3.35 available now
…