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A Bootiful Podcast: An Exciting Week of Releases and Dr. Yordan Karadzhov

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Spring Security 5.4.0-M2 Released

On behalf of the community, I’m pleased to announce the release of Spring Security 5.4.0-M2! You can find the complete details in the release notes and the highlights below:

OAuth 2.0

gh-8700 - OAuth2AuthorizedClientArgumentResolver picks up OAuth2AuthorizedClientManager bean
gh-8730 - Add JWTProcessor Configuration Post-Processor
gh-8669 - OAuth2AuthorizedClientArgumentResolver for XML
gh-8587 - Add ServerRequestCache setter in OAuth2AuthorizationCodeGrantWebFilter
gh-8603 - oauth2Client Test Support no longer requires an HttpSessionOAuth2AuthorizedClientRepository
gh-8501 - Add issuerUri to ClientRegistration
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This Week in Spring - June 30th, 2020

Hi, Spring fans! Welcome to another installment of This Week in Spring! What a wonderful week it’s been and it’s only Tuesday! I spoke to folks in Switzerland on Monday, had a few awesome meetings with folks later, then today spoke to folks in Germany in the morning and then folks in APJ (Singapore, mostly) in the evening. And tomorrow, I’m speaking at the JPoint virtual conference about Bootiful Kotlin. I’d love to see you there!

Now then, we’ve got a ton of things to look at this roundup so let’s get to it!

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URL Matching with PathPattern in Spring MVC

The recent Spring Framework 5.3 M1 release announcement mentions “Spring MVC comes with PathPattern parsing for efficient URL matching”. This post expands on that with more context and detail.


In Spring applications AntPathMatcher is used to identify classpath, file system, remote, and other resources in Spring configuration. It has also been used in Spring MVC to match URL paths. Over time the use of patterns in web applications grew in number and syntax with AntPathMatcher evolving to meet those needs but some pain points remain without a solution:

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Spring Boot 2.4.0-M1 is now available

On behalf of the team and everyone that contributed, I am pleased to announce that the first milestone of Spring Boot 2.4 has been released and is available from our milestone repository. This release closes over 120 issues and pull requests.

Please note the slight change in the format of the version. 2.4.0-M1 is the first Spring Boot release to use the new versioning scheme.

With Spring Boot 2.4, we have switched to a 6-month release cadence. All being well, you can expect to see 2.4.0 reach general availability in October or November.

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Spring Integration 5.4 M1 Available

Dear Spring community,

On behalf of the team and everyone who contributed, it is my pleasure to announce the first milestone for Spring Integration 5.4 generation.

It can be downloaded from our milestone repository:

compile 'org.springframework.integration:spring-integration-core:5.4.0-M1'

The Spring Integration 5.4 generation is full based on recently released Spring Framework 5.3 M1 including all the deprecation resolutions, removal some obsolete API and aggressive upgrade the latest versions for dependencies.

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Spring Batch 4.3.0-M1 is released now!

On behalf of the Spring Batch team, I am pleased to announce that Spring Batch 4.3.0-M1 is now available from our milestone repository.

What’s new?

This release is packed with new features, performance improvements, and bug fixes, as well as documentation and dependency updates! You can find the complete list of changes in the release notes, but here are the major highlights:

New features

1. New synchronized ItemStreamWriter

Similar to the SynchronizedItemStreamReader, we added a SynchronizedItemStreamWriter. This feature is useful in multi-threaded steps where concurrent threads need to be synchronized to not override each other’s writes.

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First milestone of Spring Data 2020.0 available

On behalf of the Spring Data team, I’m happy to announce the first milestone of the 2020.0 (Code name “Ockham”) release train, 2020.0.0-M1. This release ships with over 120 tickets fixed. This Spring Data release is the first release using calver as an update to the release train version scheme.

The most notable new features are:

  • Support for RxJava 3
  • Introduction of, which replaces

You can find a curated changelog in our release train wiki or skim through a full list of changes in JIRA.

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First Spring Framework 5.3 milestone released

Dear Spring community,

On behalf of the team and everyone who contributed, it is my pleasure to announce that Spring Framework 5.3 M1 is available from our milestone repository now! Find an initial list of new features and refinements and corresponding upgrade notes including several deprecations on our wiki.

Please note that 5.3 is designed as the final 5.x feature release, wrapping up the major themes in the Spring Framework 5 generation, in particular reactive programming and Kotlin support, while also taking GraalVM compatibility to the next level. Last but not least, we are not only preparing for JDK 15 and 16 but also for next year’s JDK 17 LTS already, expecting an extended 5.3.x maintenance life.

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