As a follow-up to the Runtime efficiency with Spring blog post, I am happy to share that our exploration of Project Leyden optimizations has led to some interesting discoveries regarding the JDK's little-used CDS ("Class Data Sharing") feature and has materialized into a new feature that we have been able to ship in Spring Framework 6.1.

As stated in the official documentation, Class Data Sharing (CDS) helps reduce the startup time and memory footprint of JVMs by caching class metadata in an archive file so that it can be quickly pre-loaded into a newly launched JVM. This accelerates class…

Hi, Spring fans! This week, my first as an employee of Broadcom, I am joined by Spring Security community legend Laura Spilca and we talk about all things security, OAuth, and more.

Hi, Spring fans! I hope everyone who celebrated Thanksgiving had a wonderful time. Did you indulge in too much turkey? Anyway, let's jump into this week's edition of This Week in Spring—a particularly special one for a couple of reasons. First, it's our first issue after the launch of Spring Boot 3.2 last Thursday. Second, it's my inaugural post as a member of the Broadcom family. Exciting times!

Spring Boot 3.2: A Game Changer

Spring Boot 3.2 is nothing short of revolutionary. I've delved into its myriad features in an in-depth video, which you can watch here. This release includes:

• reactive cache/scheduled abstraction
• virtual threads (project Loom)
• CRaC
• improved GraalVM native image support
• Spring for Apache Pulsar support
• the new Spring Framework 6.1 RestClient and JdbcClient
• reloadable SSL
• Java 21
• observability
• spring.main.keep-alive=true
• Docker for Neo4J, ActiveMQ, etc.
• dependencies updates (of course)
• TransactionalExecutionListener
…

Updates

• [11-27] Blog posts updated to refer to the CVE reports published

The Spring Framework 6.0.14 release shipped on November 16th includes a fix for CVE-2023-34053.

The Spring Boot 2.7.18 release shipped on November 23th includes fixes for CVE-2023-34055.

Users are encouraged to update as soon as possible.

Hi, Spring fans! In this installment of Spring Tips, I look at the new Spring Boot 3.2 release, due to drop today, the 23rd of November 2023! (23-11-23!)

We're diving into the cool new features of Spring Boot 3.2 and Java 21. We'll explore how virtual threads from Project Loom make your code run better and how Java 21 enhances your applications. Plus, we're building a Java 21 program right here! We'll talk about how SSL support and improved observability in Spring Boot 3.2 can help you in production. We'll also look at the new Project Loom and Project CRaC support can help you go faster with…

Hi, Spring fans! We're releasing Spring Boot 3.2 today! And it's Thanksgiving in the USA (Happy Thanksgiving!). So, we wanted to celebrate with an amazing episode, and so today's guest is opensource legend Bruno Lowagie. Enjoy!

Hi, Spring fans! Welcome to another epic installment of This Week in Spring! As amazing as the week's already been, it's all leading up to this Thursday - Thanksgiving day! - when we release Spring Boot 3.2! (and yes, I am very grateful). This release is stuffed to the gills with a ton of new features:

• reloadable SSL support
• the new JdbcClient and the new RestClient, from Spring Framework 6.1.
• Java 21 virtual threads (project Loom)
• Coordinated Restore at Checkpoint (CRaC)
• observability improvements
• a ton of new and updated dependencies, like the newly integrated Spring for Apache Pulsar starter and autoconfiguration, the new Testcontainer support for ActiveMQ, and so much more.
…

Hi, Spring fans! Happy Thanksgiving to those who celebrate!

Have you tried out Spring Boot 3.2? It comes out NEXT week on the 23rd! Get the bits and try them out now! https://start.spring.io

This week I am joined by Google Developer Advocate, Java legend, Alexis Moussine Pouchkine

Hi, Spring fans! Welcome to another installment of This Week in Spring! It's November 14th, and you know what that means? NINE MORE DAYS until Spring Boot 3.2 drops (on the day of the US holiday of Thanksgiving, no less)!

Some key features include:

• virtual threads
• initial CRaC support
• more sophisticated observability with Micrometerio
• JdbcClient, RestClient
• ActiveMQ Testcontainers/ Docker Compose support
• Kotlin 1.9.0

I can't wait for the next release. I've been playing with it for months. It builds on the strenghts of Spring Boot 3.0 and 3.1. 3.0 brought GraalVM native images, and 3.…