Thomas Wuerthinger
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thomaswue.dev
Thomas Wuerthinger
@thomaswue.dev
Passionate about compilers & programming languages. GraalVM founder & project lead. VP at Oracle. Expressed opinions are my own. For DM: [email protected]
Reposted by Thomas Wuerthinger
The @kotlinlang.org team at @jetbrains.com is working on a @graalvm.org-compiled kotlinc. Early experiments look very promising:

> So far, a native image with PGO offers a properly "warmed-up" kotlinc and with up to 20% more peak throughput.

Ticket: youtrack.jetbrains.com/issue/KT-823...
November 13, 2025 at 3:15 PM
Reposted by Thomas Wuerthinger
Quarkus continues to focus on native for swift start-up time and low memory footprint. Learn more in By Severin Gehwolf's blog post, "Continued Focus on Native"

quarkus.io/blog/continu...
November 3, 2025 at 7:00 PM
Really great to see plans for adding better integrated support for running @graalvm.org language implementations for JavaScript, Python, and WebAssembly in your Spring applications! github.com/spring-proje...
October 31, 2025 at 12:54 PM
Very happy to see participants from so many different companies at the @graalvm.org Community Summit 2025!
October 22, 2025 at 9:05 AM
Reposted by Thomas Wuerthinger
New guest blog post:
JavaScript in Java: Driving Dynamic UIs with GraalVM at Scale: medium.com/graalvm/java... 🚀
by João Nogueira from Picnic
JavaScript in Java: Driving Dynamic UIs with GraalVM at Scale
This is a guest blog post written by João Nogueira, a software engineer at Picnic Technologies.
medium.com
October 16, 2025 at 10:39 AM
Reposted by Thomas Wuerthinger
Happy to be partnering with @devoxx.com!🤝
All our session recordings are now live, enjoy!
www.youtube.com/watch?v=YlMi...
October 14, 2025 at 2:21 PM
Reposted by Thomas Wuerthinger
It’s live! "@graalvm.org meets #WebAssembly” from @devoxx.com: compile JVM apps to Wasm (Web Image) and run Wasm in Java or Kotlin at near‑native speed (GraalWasm). Lots of live demos included!
www.youtube.com/watch?v=uefc...
GraalVM meets WebAssembly by Fabio Niephaus
YouTube video by Devoxx
www.youtube.com
October 10, 2025 at 12:54 PM
Recording of my talk at @devoxx.com 2025 with @starbuxman.joshlong.com is now online! Watch for 50 minutes live (pair)coding entertainment showing GraalVM performance 🚀 for Spring apps, how you can mix in Python 🐍, and some more crazy demos 👀. Let me know your comments! m.youtube.com/watch?v=YlMi...
Bootiful GraalVM by Thomas Wuerthinger, Josh Long
YouTube video by Devoxx
m.youtube.com
October 10, 2025 at 11:54 AM
Reposted by Thomas Wuerthinger
Memory efficiency of @graalvm.org Native Image: a Spring Boot application serving 100000 requests with high peak performance using only 80 MB of RAM 🚀
By @starbuxman.joshlong.com and @thomaswue.dev at @devoxx.com
October 9, 2025 at 8:09 AM
Had a blast delivering together with @starbuxman.joshlong.com our Bootiful GraalVM talk at #Devoxx!
October 9, 2025 at 9:59 AM
Reposted by Thomas Wuerthinger
✨10✨ @graalvm.org talks are waiting for you at @devoxx.com this year!🚀

We'll cover a wide range of topics — from WebAssembly and Native Image to GPU acceleration and robotics!

Let's take a closer look 👀
September 24, 2025 at 2:18 PM
Reposted by Thomas Wuerthinger
Josh @starbuxman.joshlong.com and @thomaswue.dev will look at some of the amazing ways that Spring and GraalVM are a great win for your JVM applications in 2025. Blazingly fast startup, better security, and lower footprint for greener and cheaper production deployments!
m.devoxx.com/events/dvbe2...
September 24, 2025 at 2:18 PM
Reposted by Thomas Wuerthinger
New @graalvm.org Community project from Amazon by Volker Simonis: Integrate the Generational Shenandoah GC into Native Image: github.com/oracle/graal...
Integrate the Shenandoah/Generational-Shenandoah GC into Native Image · Issue #12237 · oracle/graal
Shenandoah/Generational-Shenandoah support is already available for the GraalVM JIT (see PR Shenandoah support and commit [GR-65266] Add support for Shenandoah). Now add support for using Shenandoa...
github.com
September 26, 2025 at 10:49 AM
Oh, the outfit for my „AI-related“ Swiss Dev Confederation keynote about @graalvm.org and @quarkus.io just dropped...
September 19, 2025 at 12:26 PM
Reposted by Thomas Wuerthinger
GraalVM 25 is now available via @sdkman.io!

sdk install java 25-graal 🐰🚀
September 18, 2025 at 12:11 PM
Reposted by Thomas Wuerthinger
#GraalVM 25 is out! 🚀

Exciting updates for #GraalPy, #GraalJS, and #GraalWasm — plus our first preview of #WebAssembly compilation!
GraalVM 25 is here, with lots of updates for native compilation, GraalPy, GraalJS, and WebAssembly.
Faster and better than ever!🐰🚀
Download: www.graalvm.org/downloads/
Release notes: www.graalvm.org/release-note...
September 16, 2025 at 4:37 PM
Reposted by Thomas Wuerthinger
GraalVM 25 is here, with many new features and improvements. We'll talk more about our favorites in the next few days. Stay tuned 💪
GraalVM 25 is here, with lots of updates for native compilation, GraalPy, GraalJS, and WebAssembly.
Faster and better than ever!🐰🚀
Download: www.graalvm.org/downloads/
Release notes: www.graalvm.org/release-note...
September 16, 2025 at 4:13 PM
Reposted by Thomas Wuerthinger
Happy to see GraalVM 25 is out 🎉
GraalVM 25 is here, with lots of updates for native compilation, GraalPy, GraalJS, and WebAssembly.
Faster and better than ever!🐰🚀
Download: www.graalvm.org/downloads/
Release notes: www.graalvm.org/release-note...
September 16, 2025 at 4:14 PM
Please help spread the word about our @graalvm.org 25 release 🚀🏆!
GraalVM 25 is here, with lots of updates for native compilation, GraalPy, GraalJS, and WebAssembly.
Faster and better than ever!🐰🚀
Download: www.graalvm.org/downloads/
Release notes: www.graalvm.org/release-note...
September 16, 2025 at 4:10 PM
Reposted by Thomas Wuerthinger
Please find the "Oracle GraalVM for JDK 25" download at www.graalvm.org/downloads/ .. "Oracle GraalVM is free to use in production and free to redistribute, at no cost, under the GraalVM Free Terms and Conditions."
Download GraalVM
GraalVM is an advanced JDK with ahead-of-time Native Image compilation.
www.graalvm.org
September 16, 2025 at 4:08 PM
Reposted by Thomas Wuerthinger
GraalVM 25 is here, with lots of updates for native compilation, GraalPy, GraalJS, and WebAssembly.
Faster and better than ever!🐰🚀
Download: www.graalvm.org/downloads/
Release notes: www.graalvm.org/release-note...
September 16, 2025 at 3:38 PM
For my keynote with @sannegrinovero.bsky.social from at www.redhat.com/en/events/de..., I am experimenting with @graalvm.org native image, @kotlinlang.org, and @quarkus.io and it works great! Instant startup, low memory footprint, and high throughput. Check it out here: github.com/thomaswue/na...
September 15, 2025 at 3:46 PM
Difficult to top the last one, but definitely looking forward for another @graalvm.org session together with @starbuxman.joshlong.com! See you at @devoxx.com Belgium in November!
August 5, 2025 at 9:15 PM
Reposted by Thomas Wuerthinger
GraalVM for JDK 25 will be packed with cool features, stay tuned!🎉
github.com/oracle/graal...
July 3, 2025 at 11:58 AM
Reposted by Thomas Wuerthinger
Thank you for trusting me once again, @javazone.bsky.social, I will not let you down ❤️
June 26, 2025 at 7:15 AM