Loïc Mathieu
@loicmathieu.fr
Lead Developer @kestra.io, Java & JVM passionate, performance, OSS contributor (mainly Quarkus), Book Author (Quarkus edition ENI), GCP Google Dev Expert.
Like to learn stuff and share what I learned.
https://www.loicmathieu.fr
Like to learn stuff and share what I learned.
https://www.loicmathieu.fr
Pinned
Loïc Mathieu
@loicmathieu.fr
· Jul 4
Java 25: what’s new? | Loic's Blog
Now that Java 25 is features complete (Rampdown Phase One at the day of writing), it’s time to walk through all the functionalities that bring to us, developers, this new version. This article is part...
www.loicmathieu.fr
What's new in Java 25 for us, developers?
(Both in English and French)
#java #java25
www.loicmathieu.fr/wordpress/in...
(Both in English and French)
#java #java25
www.loicmathieu.fr/wordpress/in...
Reposted by Loïc Mathieu
📝 Blogged: "On Idempotency Keys"
Discussing several options for ensuring exactly-once processing in distributed systems using idempotency keys, from UUIDs to monotonically increasing sequences.
👉 www.morling.dev/blog/on-idem...
Discussing several options for ensuring exactly-once processing in distributed systems using idempotency keys, from UUIDs to monotonically increasing sequences.
👉 www.morling.dev/blog/on-idem...
November 25, 2025 at 4:38 PM
📝 Blogged: "On Idempotency Keys"
Discussing several options for ensuring exactly-once processing in distributed systems using idempotency keys, from UUIDs to monotonically increasing sequences.
👉 www.morling.dev/blog/on-idem...
Discussing several options for ensuring exactly-once processing in distributed systems using idempotency keys, from UUIDs to monotonically increasing sequences.
👉 www.morling.dev/blog/on-idem...
Reposted by Loïc Mathieu
[𝗣𝗔𝗥𝗧𝗘𝗡𝗔𝗥𝗜𝗔𝗧] L’un des principaux freins à l’IA reste le coût.
Clever Cloud s’associe à SpiNNcloud pour une plateforme IA européenne plus performante et plus économe, grâce aux serveurs SpiNNaker2 (jusqu’à 17× moins énergivores).
Tous les détails : www.clever.cloud/fr/blog/pres...
Clever Cloud s’associe à SpiNNcloud pour une plateforme IA européenne plus performante et plus économe, grâce aux serveurs SpiNNaker2 (jusqu’à 17× moins énergivores).
Tous les détails : www.clever.cloud/fr/blog/pres...
SpiNNcloud et Clever Cloud unissent leurs forces pour une plateforme européenne de calcul pour l’IA | Clever Cloud
Partenariat Clever Cloud SpiNNcloud pour une infrastructure IA européenne, économe en énergie et indépendante des fournisseurs non européens.
www.clever.cloud
November 25, 2025 at 1:35 PM
[𝗣𝗔𝗥𝗧𝗘𝗡𝗔𝗥𝗜𝗔𝗧] L’un des principaux freins à l’IA reste le coût.
Clever Cloud s’associe à SpiNNcloud pour une plateforme IA européenne plus performante et plus économe, grâce aux serveurs SpiNNaker2 (jusqu’à 17× moins énergivores).
Tous les détails : www.clever.cloud/fr/blog/pres...
Clever Cloud s’associe à SpiNNcloud pour une plateforme IA européenne plus performante et plus économe, grâce aux serveurs SpiNNaker2 (jusqu’à 17× moins énergivores).
Tous les détails : www.clever.cloud/fr/blog/pres...
Reposted by Loïc Mathieu
A theme that really stood out at @gradle.com's DPE Summit conference is that while developers feel productive using GenAI for coding, this isn't necessarily translating into more features/fixes/customer value for organisations. So I wrote a blog post about it
gradle.com/blog/develop...
gradle.com/blog/develop...
The developer productivity paradox: Why faster coding doesn’t mean faster software delivery
Developers are using Generative AI to crank out code faster than ever before, but somehow, the metrics aren’t showing an overall productivity improvement. So what’s going on?
gradle.com
November 24, 2025 at 11:57 AM
A theme that really stood out at @gradle.com's DPE Summit conference is that while developers feel productive using GenAI for coding, this isn't necessarily translating into more features/fixes/customer value for organisations. So I wrote a blog post about it
gradle.com/blog/develop...
gradle.com/blog/develop...
Reposted by Loïc Mathieu
🎉 We're very happy to announce our new release KeePassXC 2.7.11 and... *drumroll* that the KeePassXC version 2.7.9 has been awarded a CSPN Security Visa by the French National Cybersecurity Agency (ANSSI). 🎉❤️
See our blog post for more information: keepassxc.org/blog/2025-11... #VisaSecu #KeePassXC
See our blog post for more information: keepassxc.org/blog/2025-11... #VisaSecu #KeePassXC
November 24, 2025 at 12:39 AM
🎉 We're very happy to announce our new release KeePassXC 2.7.11 and... *drumroll* that the KeePassXC version 2.7.9 has been awarded a CSPN Security Visa by the French National Cybersecurity Agency (ANSSI). 🎉❤️
See our blog post for more information: keepassxc.org/blog/2025-11... #VisaSecu #KeePassXC
See our blog post for more information: keepassxc.org/blog/2025-11... #VisaSecu #KeePassXC
Reposted by Loïc Mathieu
Le Call for Papers (CFP) pour Devoxx France 2026 est ouvert ! 🙌
⏰ Clôture : 11 janvier 2026 à 23h59 (CET)
👉 Soumettez votre talk sur devoxxfr2026.cfp.dev
Nous avons hâte de découvrir vos idées 💡
⏰ Clôture : 11 janvier 2026 à 23h59 (CET)
👉 Soumettez votre talk sur devoxxfr2026.cfp.dev
Nous avons hâte de découvrir vos idées 💡
November 24, 2025 at 10:23 AM
Le Call for Papers (CFP) pour Devoxx France 2026 est ouvert ! 🙌
⏰ Clôture : 11 janvier 2026 à 23h59 (CET)
👉 Soumettez votre talk sur devoxxfr2026.cfp.dev
Nous avons hâte de découvrir vos idées 💡
⏰ Clôture : 11 janvier 2026 à 23h59 (CET)
👉 Soumettez votre talk sur devoxxfr2026.cfp.dev
Nous avons hâte de découvrir vos idées 💡
Ravi (et un peu fière) d'avoir contribué un article sur les nouveautés de Java 25 (comme tout les 6 mois maintenant)
Programmez! 272 est sorti : Rust, Java 25, datacenter, programmation de jeux, RISC-V,Python, sécurité, choisir la bonne solution de développement multiplateforme
www.programmez.com/magazine-pap...
www.programmez.com/magazine-pap...
November 21, 2025 at 3:31 PM
Ravi (et un peu fière) d'avoir contribué un article sur les nouveautés de Java 25 (comme tout les 6 mois maintenant)
Reposted by Loïc Mathieu
📝 Blogged: "Building a Durable Execution Engine With SQLite"
Exploring the fundamentals of DE, based on a minimal engine built from scratch, using #SQLite as an execution log, and modern #Java (👋 virtual threads).
👉https://www.morling.dev/blog/building-durable-execution-engine-with-sqlite/
Exploring the fundamentals of DE, based on a minimal engine built from scratch, using #SQLite as an execution log, and modern #Java (👋 virtual threads).
👉https://www.morling.dev/blog/building-durable-execution-engine-with-sqlite/
November 20, 2025 at 2:12 PM
Reposted by Loïc Mathieu
SaaS is convenient, but control is non-negotiable. 🛡️
We built Kestra to run anywhere, Cloud, On-Prem, or Air-gapped, because we believe you should own your Orchestrator, not just rent it.
The future of tooling is about sovereignty and choice.
platformengineering.com/features/ret...
We built Kestra to run anywhere, Cloud, On-Prem, or Air-gapped, because we believe you should own your Orchestrator, not just rent it.
The future of tooling is about sovereignty and choice.
platformengineering.com/features/ret...
The Return of On-Premises Tooling in the SaaS & Platform Era - Platform Engineering
Enterprises are returning to on-premises tooling for greater control, sovereignty, and performance in the cloud era.
platformengineering.com
November 20, 2025 at 3:54 PM
SaaS is convenient, but control is non-negotiable. 🛡️
We built Kestra to run anywhere, Cloud, On-Prem, or Air-gapped, because we believe you should own your Orchestrator, not just rent it.
The future of tooling is about sovereignty and choice.
platformengineering.com/features/ret...
We built Kestra to run anywhere, Cloud, On-Prem, or Air-gapped, because we believe you should own your Orchestrator, not just rent it.
The future of tooling is about sovereignty and choice.
platformengineering.com/features/ret...
Reposted by Loïc Mathieu
In this week's blog post, I'll showcase how the meta-agent hot-patches the JVM to record the byte-code transformations of native Java agents: mostlynerdless.de/blog/2025/11...
Who instruments the native instrumenters? - Mostly nerdless
In this weeks blog post, I'll show-case how the meta-agent hot-patches the JVM to record the byte-code transformations of native Java agents
mostlynerdless.de
November 20, 2025 at 8:46 AM
In this week's blog post, I'll showcase how the meta-agent hot-patches the JVM to record the byte-code transformations of native Java agents: mostlynerdless.de/blog/2025/11...
Reposted by Loïc Mathieu
Gemini 3 is now available for developers ✨
Combined with its advanced understanding of the real world, Gemini 3 Pro is our most intelligent model for building complex apps.
goo.gle/43ADuV6
Combined with its advanced understanding of the real world, Gemini 3 Pro is our most intelligent model for building complex apps.
goo.gle/43ADuV6
Start building with Gemini 3
Gemini 3 is introducing advanced agentic coding capabilities, plus Google Antigravity, a new agentic development platform.
goo.gle
November 18, 2025 at 4:22 PM
Gemini 3 is now available for developers ✨
Combined with its advanced understanding of the real world, Gemini 3 Pro is our most intelligent model for building complex apps.
goo.gle/43ADuV6
Combined with its advanced understanding of the real world, Gemini 3 Pro is our most intelligent model for building complex apps.
goo.gle/43ADuV6
Reposted by Loïc Mathieu
A deep dive into Apache Kafka's KRaft protocol
developers.redhat.com/articles/202... - Good article from Federico Valeri
developers.redhat.com/articles/202... - Good article from Federico Valeri
A deep dive into Apache Kafka's KRaft protocol | Red Hat Developer
Learn about the Apache Kafka's KRaft protocol, a consensus algorithm that ensures fault tolerance and consistency in a network of interconnected nodes
developers.redhat.com
November 18, 2025 at 4:27 PM
A deep dive into Apache Kafka's KRaft protocol
developers.redhat.com/articles/202... - Good article from Federico Valeri
developers.redhat.com/articles/202... - Good article from Federico Valeri
Reposted by Loïc Mathieu
Episode 332 - Groquik revient, Emmanuel s'en va #Java #Spring #Quarkus #Infinispan #Gemini #Javelit #développement #IA #modèles #outils #productivité #NTP #JVM #RedHat sur www.youtube.com/watch?v=QZSm... et en podcast lescastcodeurs.com/2025/11/18/l...
www.youtube.com
November 18, 2025 at 10:24 AM
Episode 332 - Groquik revient, Emmanuel s'en va #Java #Spring #Quarkus #Infinispan #Gemini #Javelit #développement #IA #modèles #outils #productivité #NTP #JVM #RedHat sur www.youtube.com/watch?v=QZSm... et en podcast lescastcodeurs.com/2025/11/18/l...
Reposted by Loïc Mathieu
LangChain4j's Planner interface enables users to design & integrate custom agentic patterns allowing for the creation of sophisticated, purpose-driven agentic systems.
Learn more in Mario Fusco's blog post: "Agentic AI Patterns: one size does not fit all"
quarkus.io/blog/agentic...
Learn more in Mario Fusco's blog post: "Agentic AI Patterns: one size does not fit all"
quarkus.io/blog/agentic...
November 18, 2025 at 2:03 PM
LangChain4j's Planner interface enables users to design & integrate custom agentic patterns allowing for the creation of sophisticated, purpose-driven agentic systems.
Learn more in Mario Fusco's blog post: "Agentic AI Patterns: one size does not fit all"
quarkus.io/blog/agentic...
Learn more in Mario Fusco's blog post: "Agentic AI Patterns: one size does not fit all"
quarkus.io/blog/agentic...
Reposted by Loïc Mathieu
Help--my LocalDate isn’t flattened! Just before my Valhalla talk at JFall, I found out that the early access build can flatten LocalDate arrays, but the latest version from Github cannot. Why? Serialization, of course. Read the gory details at https://horstmann.com/un...
November 10, 2025 at 6:52 AM
Help--my LocalDate isn’t flattened! Just before my Valhalla talk at JFall, I found out that the early access build can flatten LocalDate arrays, but the latest version from Github cannot. Why? Serialization, of course. Read the gory details at https://horstmann.com/un...
Reposted by Loïc Mathieu
With our Mail Trigger, you can automate workflows the moment an email arrives, react to alerts, batch summaries, turn customer emails into tickets, or let AI highlight what matters.
quick demo: youtu.be/Kz1w40TbNjQ
quick demo: youtu.be/Kz1w40TbNjQ
Stop Managing Email: Let AI Agents Make Decisions For You
YouTube video by Kestra
youtu.be
November 17, 2025 at 3:48 PM
With our Mail Trigger, you can automate workflows the moment an email arrives, react to alerts, batch summaries, turn customer emails into tickets, or let AI highlight what matters.
quick demo: youtu.be/Kz1w40TbNjQ
quick demo: youtu.be/Kz1w40TbNjQ
Reposted by Loïc Mathieu
⏰ Plus que 10 jours avant l'ouverture du CFP Devoxx 2026 !
Hier : visio du comité de sélection ✅
On est à FOND pour vous préparer une édition 2026 de folie ! 🔥
🎟️ Places dispo : reg.devoxx.fr
Prêts à soumettre vos talks ?
Hier : visio du comité de sélection ✅
On est à FOND pour vous préparer une édition 2026 de folie ! 🔥
🎟️ Places dispo : reg.devoxx.fr
Prêts à soumettre vos talks ?
November 14, 2025 at 3:56 PM
⏰ Plus que 10 jours avant l'ouverture du CFP Devoxx 2026 !
Hier : visio du comité de sélection ✅
On est à FOND pour vous préparer une édition 2026 de folie ! 🔥
🎟️ Places dispo : reg.devoxx.fr
Prêts à soumettre vos talks ?
Hier : visio du comité de sélection ✅
On est à FOND pour vous préparer une édition 2026 de folie ! 🔥
🎟️ Places dispo : reg.devoxx.fr
Prêts à soumettre vos talks ?
Reposted by Loïc Mathieu
Orchestration BEyond: Build AI That Ships
YouTube video by Kestra
youtu.be
November 14, 2025 at 2:06 PM
Reposted by Loïc Mathieu
Kestra 1.1 brings major performance wins:
• Queries: 63s → 8ms (thanks to our engineering team and the help of Xiaomi team)
• Purge pipeline: 2.5× faster
• Smoother dashboards at scale
Full breakdown of the improvements: kestra.io/blogs/perfor...
• Queries: 63s → 8ms (thanks to our engineering team and the help of Xiaomi team)
• Purge pipeline: 2.5× faster
• Smoother dashboards at scale
Full breakdown of the improvements: kestra.io/blogs/perfor...
Performance Upgrades for Enterprise in Kestra 1.1
Key performance wins in Kestra 1.1, from query efficiency to faster purge operations.
kestra.io
November 13, 2025 at 3:39 PM
Kestra 1.1 brings major performance wins:
• Queries: 63s → 8ms (thanks to our engineering team and the help of Xiaomi team)
• Purge pipeline: 2.5× faster
• Smoother dashboards at scale
Full breakdown of the improvements: kestra.io/blogs/perfor...
• Queries: 63s → 8ms (thanks to our engineering team and the help of Xiaomi team)
• Purge pipeline: 2.5× faster
• Smoother dashboards at scale
Full breakdown of the improvements: kestra.io/blogs/perfor...
Reposted by Loïc Mathieu
November 14, 2025 at 8:17 AM
Reposted by Loïc Mathieu
Certains rêves commencent par une ligne de code.
Chez Clever Cloud, ils commencent par un badge.
Découvre Cloud Concepts 101, la certification Clever Cloud pour apprendre à déployer et maîtriser le cloud.
👉 Ton évolution commence ici : academy.clever.cloud
Chez Clever Cloud, ils commencent par un badge.
Découvre Cloud Concepts 101, la certification Clever Cloud pour apprendre à déployer et maîtriser le cloud.
👉 Ton évolution commence ici : academy.clever.cloud
November 13, 2025 at 2:57 PM
Certains rêves commencent par une ligne de code.
Chez Clever Cloud, ils commencent par un badge.
Découvre Cloud Concepts 101, la certification Clever Cloud pour apprendre à déployer et maîtriser le cloud.
👉 Ton évolution commence ici : academy.clever.cloud
Chez Clever Cloud, ils commencent par un badge.
Découvre Cloud Concepts 101, la certification Clever Cloud pour apprendre à déployer et maîtriser le cloud.
👉 Ton évolution commence ici : academy.clever.cloud
Reposted by Loïc Mathieu
ArC was rewritten from Gizmo 1 to Gizmo 2. What does that mean for you?
Learn the impacts in Ladislav Thon's blog post, "ArC migrates to Gizmo 2".
quarkus.io/blog/arc-mig...
Learn the impacts in Ladislav Thon's blog post, "ArC migrates to Gizmo 2".
quarkus.io/blog/arc-mig...
November 11, 2025 at 6:01 PM
ArC was rewritten from Gizmo 1 to Gizmo 2. What does that mean for you?
Learn the impacts in Ladislav Thon's blog post, "ArC migrates to Gizmo 2".
quarkus.io/blog/arc-mig...
Learn the impacts in Ladislav Thon's blog post, "ArC migrates to Gizmo 2".
quarkus.io/blog/arc-mig...
Reposted by Loïc Mathieu
Learn how Quarkus achieves the same runtime flexibility as Spring’s new BeanRegistrar but without the startup cost. A hands-on guide for modern Java developers.
www.the-main-thread.com/p/quarkus-vs...
www.the-main-thread.com/p/quarkus-vs...
November 12, 2025 at 8:15 AM
Learn how Quarkus achieves the same runtime flexibility as Spring’s new BeanRegistrar but without the startup cost. A hands-on guide for modern Java developers.
www.the-main-thread.com/p/quarkus-vs...
www.the-main-thread.com/p/quarkus-vs...
Reposted by Loïc Mathieu
⏰ Rappel ⏰ : la billetterie pour les pass 1 jour & 2 jours ouvre demain à 10h !
↳ 1 jour (mercredi uniquement)
↳ 2 jours (jeudi et vendredi)
Le pass 3 jours est d'ores et déjà disponible.
📌 RDV demain à 10h ici 👉 reg.devoxx.fr
↳ 1 jour (mercredi uniquement)
↳ 2 jours (jeudi et vendredi)
Le pass 3 jours est d'ores et déjà disponible.
📌 RDV demain à 10h ici 👉 reg.devoxx.fr
November 12, 2025 at 8:00 AM
⏰ Rappel ⏰ : la billetterie pour les pass 1 jour & 2 jours ouvre demain à 10h !
↳ 1 jour (mercredi uniquement)
↳ 2 jours (jeudi et vendredi)
Le pass 3 jours est d'ores et déjà disponible.
📌 RDV demain à 10h ici 👉 reg.devoxx.fr
↳ 1 jour (mercredi uniquement)
↳ 2 jours (jeudi et vendredi)
Le pass 3 jours est d'ores et déjà disponible.
📌 RDV demain à 10h ici 👉 reg.devoxx.fr
Reposted by Loïc Mathieu
Kestra v1.1 dropped this week, and it’s packed.
⚙️ More plugins
🧠 Smarter orchestration and automation
🎨 Refined Filters and performance boosts everywhere
🔒 Enterprise-grade control, ready for scale
🤖 Even more AI features
⚙️ More plugins
🧠 Smarter orchestration and automation
🎨 Refined Filters and performance boosts everywhere
🔒 Enterprise-grade control, ready for scale
🤖 Even more AI features
November 7, 2025 at 4:12 PM
Kestra v1.1 dropped this week, and it’s packed.
⚙️ More plugins
🧠 Smarter orchestration and automation
🎨 Refined Filters and performance boosts everywhere
🔒 Enterprise-grade control, ready for scale
🤖 Even more AI features
⚙️ More plugins
🧠 Smarter orchestration and automation
🎨 Refined Filters and performance boosts everywhere
🔒 Enterprise-grade control, ready for scale
🤖 Even more AI features
MongoDB extension for Hibernate!
in.relation.to/2025/11/03/i...
in.relation.to/2025/11/03/i...
Introducing the MongoDB Extension for Hibernate ORM (Public Preview) - In Relation To
in.relation.to
November 5, 2025 at 3:36 PM
MongoDB extension for Hibernate!
in.relation.to/2025/11/03/i...
in.relation.to/2025/11/03/i...