Sébastien Deleuze
@seb.deleuze.fr
Spring @ Broadcom, #WebAssembly since 2016, ex @mixitconf.org staff. https://seb.deleuze.fr
Reposted by Sébastien Deleuze
Reposted by Sébastien Deleuze
Reposted by Sébastien Deleuze
We are pleased to announce the GA Release of Spring Cloud 2025.1.0. This release is compatible with #springboot 4 and #springframework 7. Read the details in the blog:
spring.io/blog/2025/11... @spring.io
spring.io/blog/2025/11... @spring.io
November 25, 2025 at 4:23 PM
We are pleased to announce the GA Release of Spring Cloud 2025.1.0. This release is compatible with #springboot 4 and #springframework 7. Read the details in the blog:
spring.io/blog/2025/11... @spring.io
spring.io/blog/2025/11... @spring.io
Reposted by Sébastien Deleuze
Spring Data Ahead of Time Repositories - Part 2 by @christophstrobl.bsky.social
spring.io/blog/2025/11...
spring.io/blog/2025/11...
Spring Data Ahead of Time Repositories - Part 2
Level up your Java code and explore what Spring can do for you.
spring.io
November 25, 2025 at 11:26 AM
Spring Data Ahead of Time Repositories - Part 2 by @christophstrobl.bsky.social
spring.io/blog/2025/11...
spring.io/blog/2025/11...
Reposted by Sébastien Deleuze
The TypeGPU folks seem to be 100x further than anyone else, some incredibly nice type-safe TypeScript->WebGPU efforts that look incredible. But not seeing anyone taking this & writing data-engines around it.
github.com/software-man...
github.com/software-man...
GitHub - software-mansion/TypeGPU: A modular and open-ended toolkit for WebGPU, with advanced type inference and the ability to write shaders in TypeScript
A modular and open-ended toolkit for WebGPU, with advanced type inference and the ability to write shaders in TypeScript - software-mansion/TypeGPU
github.com
November 25, 2025 at 3:38 AM
The TypeGPU folks seem to be 100x further than anyone else, some incredibly nice type-safe TypeScript->WebGPU efforts that look incredible. But not seeing anyone taking this & writing data-engines around it.
github.com/software-man...
github.com/software-man...
Reposted by Sébastien Deleuze
Towards Spring Tools 5 - part 1: spring.io/blog/2025/11... - get a sneak peak at what the next major version of the free and open-source Spring Tools. And we have 5.0.0-RC1 out now, if you want to give it a try: spring.io/tools5
Tools
State of the art open source Spring tooling for your favorite coding environment. Provides world-class support for developing Spring-based enterprise applications, whether you prefer Visual Studio Cod...
spring.io
November 24, 2025 at 1:07 PM
Towards Spring Tools 5 - part 1: spring.io/blog/2025/11... - get a sneak peak at what the next major version of the free and open-source Spring Tools. And we have 5.0.0-RC1 out now, if you want to give it a try: spring.io/tools5
Reposted by Sébastien Deleuze
There is a post circulating on Bluesky encouraging the moving of a frozen turkey straight into a pot of hot oil. We are combating this misinformation the best way we know how - through the power of dance music.
November 23, 2025 at 1:31 PM
There is a post circulating on Bluesky encouraging the moving of a frozen turkey straight into a pot of hot oil. We are combating this misinformation the best way we know how - through the power of dance music.
Reposted by Sébastien Deleuze
The Last Couple Years in V8’s Garbage Collector, by @wingolog.org:
https://wingolog.org/archives/2025/11/13/the-last-couple-years-in-v8s-garbage-collector
#v8 #javascriptengines #garbagecollection #memory #retrospectives
https://wingolog.org/archives/2025/11/13/the-last-couple-years-in-v8s-garbage-collector
#v8 #javascriptengines #garbagecollection #memory #retrospectives
the last couple years in v8's garbage collector — wingolog
wingolog: article: the last couple years in v8's garbage collector
wingolog.org
November 22, 2025 at 8:30 AM
The Last Couple Years in V8’s Garbage Collector, by @wingolog.org:
https://wingolog.org/archives/2025/11/13/the-last-couple-years-in-v8s-garbage-collector
#v8 #javascriptengines #garbagecollection #memory #retrospectives
https://wingolog.org/archives/2025/11/13/the-last-couple-years-in-v8s-garbage-collector
#v8 #javascriptengines #garbagecollection #memory #retrospectives
Reposted by Sébastien Deleuze
Exciting News 🎉 Spring Boot 4.0.0 is here: spring.io/blog/2025/11...
Spring Boot 4.0.0 available now
Level up your Java code and explore what Spring can do for you.
spring.io
November 20, 2025 at 10:18 PM
Exciting News 🎉 Spring Boot 4.0.0 is here: spring.io/blog/2025/11...
Reposted by Sébastien Deleuze
✅ JEP 526 is now complete
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
November 21, 2025 at 10:39 AM
✅ JEP 526 is now complete
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
Thanks @starbuxman.joshlong.com for publishing this Bootiful Podcast episode on Spring Boot 4.0 and Spring Framework 7.0 the day of the release!
spring.io/blog/2025/11...
#java #spring
spring.io/blog/2025/11...
#java #spring
A Bootiful Podcast: The legendary Sébastien Deleuze on all that's new and nice in Spring Framework 7
Level up your Java code and explore what Spring can do for you.
spring.io
November 21, 2025 at 8:32 AM
Thanks @starbuxman.joshlong.com for publishing this Bootiful Podcast episode on Spring Boot 4.0 and Spring Framework 7.0 the day of the release!
spring.io/blog/2025/11...
#java #spring
spring.io/blog/2025/11...
#java #spring
Reposted by Sébastien Deleuze
Spring Boot 4.0.0 available now
Level up your Java code and explore what Spring can do for you.
spring.io
November 20, 2025 at 7:49 PM
Reposted by Sébastien Deleuze
Spring Framework 7.0.1 Available Now
Level up your Java code and explore what Spring can do for you.
spring.io
November 20, 2025 at 2:15 PM
IntelliJ IDEA 2025.3 Beta has been published, it provides first class support for JSpecify nullability annotations that are used in Spring Boot 4.0 which will be released today. www.jetbrains.com/idea/nextver...
#java #spring
#java #spring
Early Access Program (EAP) - IntelliJ IDEA
Code-centric IDE, focused on your productivity. Full Java EE support, deep code understanding, best debugger, refactorings, everything right out of the box...
www.jetbrains.com
November 20, 2025 at 4:16 PM
IntelliJ IDEA 2025.3 Beta has been published, it provides first class support for JSpecify nullability annotations that are used in Spring Boot 4.0 which will be released today. www.jetbrains.com/idea/nextver...
#java #spring
#java #spring
Reposted by Sébastien Deleuze
A lot of you are leaving your KotlinConf submissions to the last minute, as always. There's less than 2 weeks left now, make sure you get your topics in ASAP!
KotlinConf 2026: Call for Speakers
KotlinConf is an official conference by JetBrains. It is devoted to the Kotlin programming language and is the place for the community to gather and d...
sessionize.com
November 20, 2025 at 3:24 PM
A lot of you are leaving your KotlinConf submissions to the last minute, as always. There's less than 2 weeks left now, make sure you get your topics in ASAP!
Reposted by Sébastien Deleuze
I don't have any skin in the game on this, but if anyone is using the OTel Zipkin exporter and you would like to continue using it, you should let the OTel folks know: github.com/open-telemet...
Deprecate Zipkin exporter by lmolkova · Pull Request #4715 · open-telemetry/opentelemetry-specification
This PR intends to gather feedback on Zipkin exporter usage and possible deprecation.
What inspired it:
The transformations documented in zipkin exporter are not followed in practice (e.g. otel-j...
github.com
November 19, 2025 at 8:37 AM
I don't have any skin in the game on this, but if anyone is using the OTel Zipkin exporter and you would like to continue using it, you should let the OTel folks know: github.com/open-telemet...
Reposted by Sébastien Deleuze
That's pretty cool, maps.google.com seems to be using Filament now. I found its symbols in the WASM file used by the site.
November 19, 2025 at 2:59 AM
That's pretty cool, maps.google.com seems to be using Filament now. I found its symbols in the WASM file used by the site.
Reposted by Sébastien Deleuze
🚀 Just pushed a demo showing why Spring Data AOT matters for performance!
Move query parsing from runtime to compile-time:
✅ 50-70% faster startup
✅ Catch typos before deployment
✅ Pre-generated SQL at build time
✅ GraalVM native-ready
github.com/danvega/spri...
New in Spring Boot 4
Move query parsing from runtime to compile-time:
✅ 50-70% faster startup
✅ Catch typos before deployment
✅ Pre-generated SQL at build time
✅ GraalVM native-ready
github.com/danvega/spri...
New in Spring Boot 4
GitHub - danvega/spring-data-aot
Contribute to danvega/spring-data-aot development by creating an account on GitHub.
github.com
November 18, 2025 at 6:24 PM
🚀 Just pushed a demo showing why Spring Data AOT matters for performance!
Move query parsing from runtime to compile-time:
✅ 50-70% faster startup
✅ Catch typos before deployment
✅ Pre-generated SQL at build time
✅ GraalVM native-ready
github.com/danvega/spri...
New in Spring Boot 4
Move query parsing from runtime to compile-time:
✅ 50-70% faster startup
✅ Catch typos before deployment
✅ Pre-generated SQL at build time
✅ GraalVM native-ready
github.com/danvega/spri...
New in Spring Boot 4
Reposted by Sébastien Deleuze
A new blog post in the Road to GA blog series has been published. This time we're taking a look at OpenTelemetry with Spring Boot!
spring.io/blog/2025/11...
#spring #springboot #java
spring.io/blog/2025/11...
#spring #springboot #java
November 18, 2025 at 5:46 PM
A new blog post in the Road to GA blog series has been published. This time we're taking a look at OpenTelemetry with Spring Boot!
spring.io/blog/2025/11...
#spring #springboot #java
spring.io/blog/2025/11...
#spring #springboot #java
Reposted by Sébastien Deleuze
🍃 Spring 7 is here, and the IntelliJ IDEA 2025.3 release is just around the corner!
We’ve been working closely with the @spring.io team to deliver seamless integration and first-class support for Spring 7 – right out of the box.
🔗 Learn more in our blog:
blog.jetbrains.com/idea/2025/11...
We’ve been working closely with the @spring.io team to deliver seamless integration and first-class support for Spring 7 – right out of the box.
🔗 Learn more in our blog:
blog.jetbrains.com/idea/2025/11...
IntelliJ IDEA 2025.3 💚 Spring 7 | The IntelliJ IDEA Blog
Major Spring Framework releases don’t come around often – and when they do, they tend to reshape how we build applications for years to come. Spring Framework 7 is one of those releases. It simplifies
blog.jetbrains.com
November 14, 2025 at 3:35 PM
🍃 Spring 7 is here, and the IntelliJ IDEA 2025.3 release is just around the corner!
We’ve been working closely with the @spring.io team to deliver seamless integration and first-class support for Spring 7 – right out of the box.
🔗 Learn more in our blog:
blog.jetbrains.com/idea/2025/11...
We’ve been working closely with the @spring.io team to deliver seamless integration and first-class support for Spring 7 – right out of the box.
🔗 Learn more in our blog:
blog.jetbrains.com/idea/2025/11...
After a year of work, we are happy to share that Spring Framework 7.0 GA is now available! spring.io/blog/2025/11...
Time to celebrate, get a bit of rest and help the team to prepare Spring Boot 4.0 GA release planned November 20th 😊
#spring #java
Time to celebrate, get a bit of rest and help the team to prepare Spring Boot 4.0 GA release planned November 20th 😊
#spring #java
Spring Framework 7.0 General Availability
Level up your Java code and explore what Spring can do for you.
spring.io
November 13, 2025 at 5:40 PM
After a year of work, we are happy to share that Spring Framework 7.0 GA is now available! spring.io/blog/2025/11...
Time to celebrate, get a bit of rest and help the team to prepare Spring Boot 4.0 GA release planned November 20th 😊
#spring #java
Time to celebrate, get a bit of rest and help the team to prepare Spring Boot 4.0 GA release planned November 20th 😊
#spring #java
Reposted by Sébastien Deleuze
IntelliJ IDEA will use JSpecify as its preferred null-safe library starting from 2025.3.
“The adoption of JSpecify is a great example of how collaboration across the Java ecosystem can create not just another standard, but one that developers actually benefit from.” — Andrei Kogun
jb.gg/vt5qb0
“The adoption of JSpecify is a great example of how collaboration across the Java ecosystem can create not just another standard, but one that developers actually benefit from.” — Andrei Kogun
jb.gg/vt5qb0
Null-safe applications with Spring Boot 4
Level up your Java code and explore what Spring can do for you.
spring.io
November 13, 2025 at 1:00 PM
IntelliJ IDEA will use JSpecify as its preferred null-safe library starting from 2025.3.
“The adoption of JSpecify is a great example of how collaboration across the Java ecosystem can create not just another standard, but one that developers actually benefit from.” — Andrei Kogun
jb.gg/vt5qb0
“The adoption of JSpecify is a great example of how collaboration across the Java ecosystem can create not just another standard, but one that developers actually benefit from.” — Andrei Kogun
jb.gg/vt5qb0
Reposted by Sébastien Deleuze
📢 MiXiT 2026 cherche ses sponsors 📢
Les 29 & 30 avril 2026, MiXiT revient à CPE Lyon pour 2 jours de tech et d’engagement !
En devenant sponsor de MiXiT 2026, vous soutenez une conférence de référence dans le paysage tech français.
Devenez notre sponsor ⭢ mixitconf.org/fr/2026/spon...
Les 29 & 30 avril 2026, MiXiT revient à CPE Lyon pour 2 jours de tech et d’engagement !
En devenant sponsor de MiXiT 2026, vous soutenez une conférence de référence dans le paysage tech français.
Devenez notre sponsor ⭢ mixitconf.org/fr/2026/spon...
November 13, 2025 at 6:33 AM
📢 MiXiT 2026 cherche ses sponsors 📢
Les 29 & 30 avril 2026, MiXiT revient à CPE Lyon pour 2 jours de tech et d’engagement !
En devenant sponsor de MiXiT 2026, vous soutenez une conférence de référence dans le paysage tech français.
Devenez notre sponsor ⭢ mixitconf.org/fr/2026/spon...
Les 29 & 30 avril 2026, MiXiT revient à CPE Lyon pour 2 jours de tech et d’engagement !
En devenant sponsor de MiXiT 2026, vous soutenez une conférence de référence dans le paysage tech français.
Devenez notre sponsor ⭢ mixitconf.org/fr/2026/spon...
Don't miss my new blog post in the Road to GA series to learn how the Spring team empowers Spring developers to make their Spring Boot 4 application null-safe, to reduce or remove the risk of NullPointerException and to solve "the billion dollar mistake"! spring.io/blog/2025/11...
#spring #java
#spring #java
Null-Safe applications with Spring Boot 4
Level up your Java code and explore what Spring can do for you.
spring.io
November 12, 2025 at 5:09 PM
Don't miss my new blog post in the Road to GA series to learn how the Spring team empowers Spring developers to make their Spring Boot 4 application null-safe, to reduce or remove the risk of NullPointerException and to solve "the billion dollar mistake"! spring.io/blog/2025/11...
#spring #java
#spring #java
Reposted by Sébastien Deleuze
📢 Rare opportunity: my team is hiring! We're looking for a new Developer Advocate to cover server-side Kotlin, focusing on Spring.
If you love Spring, Kotlin, and their communities, this might just be for you.
Learn more and apply here:
If you love Spring, Kotlin, and their communities, this might just be for you.
Learn more and apply here:
Kotlin Developer Advocate
Amsterdam, Netherlands; Berlin, Germany; Dubai, United Arab Emirates; Limassol, Cyprus; London, United Kingdom; Madrid, Spain; Munich, Germany; Prague, Czech Republic
job-boards.eu.greenhouse.io
November 11, 2025 at 3:25 PM
📢 Rare opportunity: my team is hiring! We're looking for a new Developer Advocate to cover server-side Kotlin, focusing on Spring.
If you love Spring, Kotlin, and their communities, this might just be for you.
Learn more and apply here:
If you love Spring, Kotlin, and their communities, this might just be for you.
Learn more and apply here: