Sébastien Deleuze
@seb.deleuze.fr
1.1K followers 320 following 200 posts
Spring @ Broadcom, #WebAssembly since 2016, ex @mixitconf.org‬ staff. https://seb.deleuze.fr
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Reposted by Sébastien Deleuze
snicoll.be
A long spring, 3 core qualities.

@poutsma.bsky.social at #Devoxx
Three core qualities, devoxx Talk
seb.deleuze.fr
I have just published "Introducing Jackson 3 support in Spring" with hopefully useful insights on Spring Boot 4 upcoming JSON support and on the migration from Jackson 2. spring.io/blog/2025/10...
Introducing Jackson 3 support in Spring
Level up your Java code and explore what Spring can do for you.
spring.io
Reposted by Sébastien Deleuze
odrotbohm.de
Thu, Oct 9th, 5:40pm – Meet the Spring Team – m.devoxx.com/events/dvbe2...

With @starbuxman.joshlong.com, @garnier.wf, @tzolov.bsky.social, @0.5ritter.de, @snicoll.be, @chemicl.bsky.social, Brian Clozel, and yours truly. ☕️🍃 5/5
Meet the Spring Team

Come meet the Spring team! This year at Devoxx, many maintainers, advocates and contributors will be at the conference, and we’re delighted to meet with our users and members of the community. In this “open mic” session, you’ll have the opportunity to ask us anything about the various Spring projects, our current efforts and ideas for the future, and of course, the soon-to-be-released new generation with Boot 4 and Framework 7.

Whether you’re a Spring veteran or a new user getting started with the project, you are more than welcome to join.
Reposted by Sébastien Deleuze
cowtowncoder.bsky.social
Ok, thanks to nudging by people I respect a lot (& help by the same), I got into some Last Minute Documentation Work -> github.com/FasterXML/ja...

help would be appreciated (like, prs etc) before I go out and push Jackson 3.0.0 GA sometime this week.
github.com
Reposted by Sébastien Deleuze
junit.org
#JUnit 6.0.0 is released!

✨ Java 17 and Kotlin 2.2 baseline
🌄 JSpecify nullability annotations
🛫 Integrated JFR support
🚟 Kotlin suspend function support
🛑 Support for cancelling test execution
⏭️ New `--fail-fast` mode for ConsoleLauncher
🧹 Removal of deprecated APIs

docs.junit.org/6.0.0/releas...
JUnit Release Notes
docs.junit.org
seb.deleuze.fr
Highly-recommended reading: The state of HTTP clients in Spring by Brian Clozel spring.io/blog/2025/09...

« This is also a good time to reflect on the state of HTTP clients in Spring, so we will use this opportunity to explain an important announcement: we are officially deprecating RestTemplate. »
The state of HTTP clients in Spring
Level up your Java code and explore what Spring can do for you.
spring.io
Reposted by Sébastien Deleuze
tomayac.com
📢 New #WasmAssembly podcast episode: CG, WG, W3C, Lively — #Wasm standardization with Thomas Lively!

We talk about Thomas' role as co-chair of the #WebAssembly Community Group at the W3C and the two proposals he champions.

🍿 www.youtube.com/watch?v=MDGq...
🎧 wasmassembly.libsyn.com/cg-wg-w3c-li...
CG, WG, W3C, Lively—Wasm standardization with Thomas Lively - WasmAssembly
YouTube video by Chrome for Developers
www.youtube.com
Reposted by Sébastien Deleuze
sergialmar.com
The @springio.net 2026 website is coming along nicely and CFP will open soon.

What topics would you love to see at #springio26? 👇
seb.deleuze.fr
Presqu’île de Crozon, Bretagne
Wild creek
seb.deleuze.fr
Stable Values -> Lazy Constants
jeptracker.bsky.social
🎓 JEP 526 moved to candidate
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
See openjdk.org/jeps/526
Reposted by Sébastien Deleuze
rstoyanchev.bsky.social
The next instalment of the Road to GA series about a cross-project, collaborative effort on new capabilities for HTTP service clients is now live spring.io/blog/2025/09...

#SpringFramework #SpringBoot #SpringCloud #SpringSecurity
HTTP Service Client Enhancements
Level up your Java code and explore what Spring can do for you.
spring.io
Reposted by Sébastien Deleuze
swift.org
With ✨Swift 6.2 ✨, you can now target WebAssembly, including WASI support. Get started here: www.swift.org/documentatio... #Wasm
Reposted by Sébastien Deleuze
0.5ritter.de
And Spring Boot 4.0.0-M3 is there, too.

This release includes 98 enhancements, documentation improvements, dependency upgrades, and bug fixes.

spring.io/blog/2025/09...

#spring #springboot #java
Spring Boot 4.0.0-M3 available now
Level up your Java code and explore what Spring can do for you.
spring.io
Reposted by Sébastien Deleuze