Ever wished Thymeleaf had real components like <tcl:button primary>Submit</tcl:button>? Part 2 of my component library series shows how to build exactly that with a custom dialect, including passing through arbitrary attributes (great for htmx 👀). www.wimdeblauwe.com/blog/2026/08...

Writing a Thymeleaf component library - part 2

In part 1 we created a Thymeleaf component library that can be used in a Spring Boot application. There is a sample application that uses the library, and there is full live reload support for changin...

wimdeblauwe.com

✍️New blog post: Writing a Thymeleaf component library (part 1 of 4). Setting up the library: Spring Boot auto-configuration, Vite-bundled CSS/JS shipped inside the jar, and live reload while you work on the library itself. wimdeblauwe.com/blog/2026/07... #SpringBoot #Thymeleaf

Writing a Thymeleaf component library

This blog series will explain how to write a component library for Thymeleaf. The goal is to create a library that can be used in any Spring Boot application that uses Thymeleaf as the view technology...

wimdeblauwe.com

Lots of #thymeleaf updates in the new @intellijidea.com version 🎉

Erik C. Thauvin@erik.thauvin.net · 3w ago

What’s fixed in IntelliJ IDEA 2026.2 #ide #intellij #intellijidea #java #jetbrains #kotlin blog.jetbrains.com/idea...

The cover for Crafting Spring Boot Starters is done, and the book is almost finished. Now I'm looking for reviewers: if you write Spring Boot 4 libraries and want an early copy in exchange for feedback, reply or DM me. More at leanpub.com/crafting-spr...

✍️ New blog post: Testing OAuth2 client login with mock-oauth2-server If you want to test the security of your Thymeleaf application that uses OAuth2 client login (Keycloak, Okta, ...), mock-oauth2-server is a great libray for that! www.wimdeblauwe.com/blog/2026/07...

Testing OAuth2 client login with mock-oauth2-server

If you use Spring Boot with Thymeleaf, you might be using an external OAuth2 provider like Keycloak or Okta to authenticate your users. In this blog post, I will show you how to test your OAuth2 clien...

wimdeblauwe.com

ttcli 1.12.4 released for download and on homebrew and chocolatey. See github.com/wimdeblauwe/... Happy Spring Boot with Thymeleaf project generation!

Release 1.12.4 · wimdeblauwe/ttcli

Changelog 🐛 Fixes a32cccd fix: Fix jbang catalog template with correct path and Java version 🛠 Build 940b9f2 build(deps): bump actions/checkout from 6 to 7 a6a5ea2 build(deps): bump the spring ...

github.com

I have no idea if people still read blogs or just ask everything to AI. But I redesigned my blog and I am quite proud of the result. See www.wimdeblauwe.com There is now also a search to quickly find past articles. Give it a try and let me know what you think! #java #springboot

Wim Deblauwe

wimdeblauwe.com

There seems to be some action around Thymeleaf issues in @intellijidea.com judging by the notifications I get from the issue tracker. Great, looking forward to the upcoming version!

You can now run ttcli via @jbang.dev : jbang run ttcli@wimdeblauwe init

Happy to announce I started writing my next book: Crafting Spring Boot Starters You will learn how the best Spring Boot 4 starters get written, the ones that just feel idiomatic when you drop them in. Read more at leanpub.com/crafting-spr...

Released ttcli 1.12.0 You can now choose between npm and pnpm as package manager for the live reload setup of your Spring Boot with Thymeleaf or JTE project. See github.com/wimdeblauwe/... for details.

Release 1.12.0 · wimdeblauwe/ttcli

Changelog 🚀 Features 59d368f feat: Use vite-spring-boot-thymeleaf and vite-spring-boot-jte 2.0.1 by default feac244 feat: Use the webjars-locator-lite version that Spring Boot provides 506f944 fea...

github.com

We found each other 😀

Wim Deblauwe@wimdeblauwe.com · 4mo ago

@springio.net done for today. I hope to run into @sivalabs.in tomorrow.

@springio.net done for today. I hope to run into @sivalabs.in tomorrow.

WOUT BEATS POGI!!!!!!!!!!!!!!!!!!!!!!!! #ParisRoubaix

Bugfix release 5.1.1 for error-handling-spring-boot-starter. There was a small issue that the metadata was no longer generated. As a result, IDEs like IntelliJ IDEA could not give code completion anymore for the properties of the library. See github.com/wimdeblauwe/... for details.

Release 5.1.1 · wimdeblauwe/error-handling-spring-boot-starter

What's Changed fix: Generation of configuration metadata by @wimdeblauwe in #131 Full Changelog: 5.1.0...5.1.1

github.com

vite-spring-boot 2.0.1 released: github.com/wimdeblauwe/...

Release 2.0.1 · wimdeblauwe/vite-spring-boot

What's Changed fix: ensure CSS imports from manifest arrays are resolved and emitted… by @wimdeblauwe in #20 build: Update to Spring Boot 4.0.5 by @wimdeblauwe in #21 build: Update Maven plugins b...

github.com

Pity I am not a Total Energies customer so I could make them loose a customer.

Just released htmx-spring-boot 5.1.0 with a very nice new feature: automatic CSRF token injection. You no longer need to manually worry about CSRF if you use hx-post, hx-get or hx-delete. See github.com/wimdeblauwe/... for the full release notes.

Release 5.1.0 · wimdeblauwe/htmx-spring-boot

What's Changed Make swap style optional and add support to define “none” for scroll and show in HX-Reswap by @xhaggi in #191 Add support for automatic CSRF token injection by @lcnicolau in #188 Up...

github.com

testcontainers-cypress 1.10.0 has been released: github.com/wimdeblauwe/... It updates to Testcontainers 1.21.4 and Cypress 15.10.0.

Release 1.10.0 · wimdeblauwe/testcontainers-cypress

What's Changed Update dependencies (February 2026) by @vilmosnagy in #65 feat: Allow passing additional npm install arguments by @wimdeblauwe in #66 build: Replace nexus-staging-maven-plugin with ...

github.com

Released version 5.1.0 of error-handling-spring-boot-starter with support for Problem Detail. See wimdeblauwe.github.io/error-handli... for details. (Also backported as 4.7.0 if you are on Spring Boot 3.5)

Small bug in error-handling-spring-boot-starter for Spring Boot 4. Bugfix 5.0.1 released: github.com/wimdeblauwe/...

Release 5.0.1 · wimdeblauwe/error-handling-spring-boot-starter

What's Changed fix automatic import of ServletErrorHandlingConfiguration when using @WebMvcTest or @WebFluxTest by @wimdeblauwe in #125 Full Changelog: 5.0.0...5.0.1

github.com

20% Black Friday discount on my books: * Taming Thymleaf: leanpub.com/taming-thyme... * Modern frontends with htmx: leanpub.com/modern-front... Learn about about easy and nice HTML frontends with Spring Boot!

Friends of htmx and Spring Boot, version 5.0.0 of htmx-spring-boot has been released. It is the version you need for Spring Boot 4. See github.com/wimdeblauwe/... for release notes.

Release 5.0.0 · wimdeblauwe/htmx-spring-boot

Upgrade notes Spring Boot 4 This release requires a Spring Boot 4.x baseline. Removed annotations These annotations have been removed: @HxRefresh, @HxRedirect and @HxLocation. You should instead re...

github.com

ttcli 1.10.0 now supports generating Spring Boot 4 projects with Thymeleaf or JTE as your templating engine of choice. The generated project is automatically configured with the correct versions of libraries to quickly start your next server-side rendering project. See github.com/wimdeblauwe/...

vite-spring-boot 2.0.0-rc.1 has been released for Spring Boot 4 github.com/wimdeblauwe/...

Release 2.0.0-rc.1 · wimdeblauwe/vite-spring-boot

What's Changed build: Replace nexus-staging-maven-plugin with central-publishing-maven-plugin by @wimdeblauwe in #15 Migrate to spring boot 4 and jackson 3. Closes gh-16. by @aspan in #17 build: U...

github.com

Upgraded 2 of my open source libraries for Spring Boot 4.0.0-RC1: * error-handling-spring-boot-starter: github.com/wimdeblauwe/... * htmx-spring-boot: github.com/wimdeblauwe/...

TIL: The demo of AI framework Embabel that Rod Johnson showed at #devoxx uses Thymeleaf and htmx 😎

I just released vite-plugin-spring-boot 1.0.0. It is identical to the 0.7.0, except for the Vite 7 support that has been added. See github.com/wimdeblauwe/... New projects generated using ttlci will pick it up automatically.

Release 1.0.0 · wimdeblauwe/vite-plugin-spring-boot

What's Changed Update package.json to support Vite 7.0 by @semyonsh in #4 New Contributors @semyonsh made their first contribution in #4 Full Changelog: 0.7.0...1.0.0

github.com

📝 Just published the final post in my Spring Boot series: "How I document production-ready Spring Boot applications" 🚀 Learn how to: * Keep docs in sync with code using AsciiDoc * Auto-generate REST API docs from tests * Create living architecture documentation www.wimdeblauwe.com/blog/2025/09...

How I document production-ready Spring Boot applications

This blog post explains how I like to document a Spring Boot application I am writing. It is the third and last post in my series on writing production-ready Spring Boot applications. See How I write ...

wimdeblauwe.com

tedpatrick.substack.com/p/html-is-un... "Having worked with countless JS and server frameworks for web development, I found this model to be the best I have ever experienced. Our team was able to deliver features productively, and our team velocity was about double what I expected."

HTML is Underrated

The web is a fantastic platform, but its power is not evenly distributed.

tedpatrick.substack.com