TruffleRuby 25.0 is released! 🚀🎉 It can now run native extensions in parallel, just like Ruby code already ran in parallel in Threads on TruffleRuby! It also features many compatibility improvements and notably support for custom Digest algorithms. github.com/oracle/truff...

GraalVM 25 released today! 🎉 My favorites this release👇

That was my total lunar eclipse today here in Zurich. There was a crowd of astrophotographers around. The moon was barely visible for 5 seconds, but the crowd was "ooooohhhh aaaahhh". I love these people.

openHAB, the open source home automation software, has integrated GraalPy!🤖🐍 "Unlike the Jython Scripting add-on, it offers full Python 3.11 support and is future-proof. It can be used as a scripting language in UI, file-based rules, and transformation services" www.openhab.org/blog/2025-07...

My favourite event of the year, the GraalVM community summit, has a date! If you are building with GraalVM, Truffle or one of our languages, please make sure to come and tell us about it! In return, you will get a chance to shape where we are headed next!

Ubuntu now provides the GraalVM JDK with Native Image as a snap for a quick installation: discourse.ubuntu.com/t/leveling-u...

Today is World ME/CFS day. My partner has been severely suffering from this disease for almost three years now. The care and research situation is really dire. It's so bad I even made a sign myself. Probably one of the hardest engineering challenges I had to tackle in a while.

☕️🎙️"Run Java with Java" an airhacks.fm conversation with @chumer.dev about GraalVM and Espresso is ready to listen 👉 adambien.blog/roller/run_j... #java #airhacks #podcast

Apple's Pkl team is hiring a core team member working on on their GraalVM/Truffle language. Well if that is not a great opportunity, what is? github.com/apple/pkl/di...

Want to learn more about the new #WebAssembly backend for @graalvm.org and what you can do with #GraalWasm? 🤓 Our #WasmIO25 talk is now on YouTube. Slides are available, too.

Assume you have a full Maven Central Dependency Graph. What questions would you ask it?

SkipFlow, an extension of the points-to analysis in Native Image, can reduce binary size by an average of 6.35% without increasing build time. Learn more about it: medium.com/graalvm/skip... #GraalVM #Java #StaticAnalysis

Top-notch talks this evening at the Java Meetup #Vienna with talks by @chumer.dev and @hansolo.eu on Truffle Metacompilation and JVM Memory Management 🚀

So excited by the new demos I am going to show tomorrow. 🤩 Make sure you drop by if you happen to be close to Vienna.

A polyglot system at Picnic, where business logic rules for the Java backend are defined by analysts in Python and JavaScript, powered by @graalvm.org 😎🚀 The system executes 1.9M actions per day 🔥 Thank you @rickossendrijver.bsky.social and Enric Sala!

Next Monday, join me at the Java Meetup Vienna for a dive into Truffle! Discover how writing an interpreter in Java lands you a compiler for free. Besides free compilers there is also free pizza and beer... www.meetup.com/java-vienna/...

Our "javac on #WebAssembly" demo (and code!) for #WasmIO25 is up on GitHub in case you want to play with the new Wasm backend for @graalvm.org! 🚀 More details to follow soon! graalvm.github.io/graalvm-demo...

Probably the most impressive and exciting talk I have seen in years! Congrats to @fniephaus.com and Patrick Ziegler for their #wasmio presentation and work on @graalvm.org starting to compile Java applications to WasmGC. Kudos to @thomaswue.dev too.

That original CFG-based JIT compiler in V8 code name „Crankshaft“ was btw in large parts created by my work at the Google V8 team in summer 2010. Happy to see that the CFG-based approach is back 😆! v8.dev/blog/leaving...

Join @alina-yurenko.bsky.social and me for the @graalvm.org release stream next week! We'll cover all the cool new features and improvements in GraalVM, #GraalPy, #GraalJS, and other Graal technologies!

Truffle 24.2, together with all the Graal languages and GraalVM for JDK 24, was released today 🎉 This is a big one. My favorites this release 👇

Volker Simonis evaluated CPU & memory consumption of Leyden & @graalvm.org Native Image for a simple javac benchmark. Native Image is still much faster than Leyden for short workloads but GraalCE can be 2x slower for longer runs & only GraalEE with G1 & PGO beats HotSpot: github.com/simonis/Leyd...

Happy IWD to all my fellow speakers, developers, and women all over the world. Keep changing the world for better ❤️

Today marks 10 years at Oracle Labs! 🎉 It has been great to watch GraalVM grow from a dream to a mature product. I've never been bored this entire time and there is no boredom in sight. Here’s to the next decade with the best colleagues!

The MoreVMs deadline is in a month! We're looking forward to your talk proposals, blog posts, or extended abstracts. New this year: we ask you to submit a description of a planed experiment. Benchmarking is hard, and we're happy to help with feedback! 2025.programming-conference.org/home/MoreVMs...

1.5B flowing into North Korea. Can't imagine what damage this will cause. Some people often argue that crypto is useful to fight authoritarian regimes. It certainly seems like the opposite. www.forbes.com/sites/stevew...

It is now 3 years since the start of the Russian military invasion of Ukraine where lots of my relatives & friends live. Thank you all who support Ukraine defend itself against the relentless attacks! Shame on those who try to destabilize, weaken or even extort a country under existential threat. 🇺🇦

Don't be like us. If you choose a language for configuration management, choose a language that the team is already familiar with and is able to write good code in.

I had lots of fun talking about my early days as a dev, how I caused double credit bookings all over Germany, stopped smoking to survive long GraalVM meetings and how to heat the room with Java inception. Already looking forward to part 2.

Adding garbage collection to our Rust-based interpreters with MMTk octavelarose.github.io/2025/01/30/m... #mmtk #rust #gc #interpreters

Its that time of the year again, where we watch this video in awe and wonder how our debugging experience could look like. www.youtube.com/watch?v=72y2...

"tracing is a labor-saving device for compiler authors". Yes tracing makes the core compiler simpler, but meta-compilation makes compilers reusable for many languages. So you need to write no compiler at all. Great article. pypy.org/posts/2025/0...

Join us👏 Join us 👏 Join us.

There are some really good ones in the comments.

Nothing beats the Java ads youtu.be/NVuTBL09Dn4?...

Oh. You sniping bastard! HotSpot interpreter C1 Espresso interpreter Graal graph builder is reused for: - HotSpot last tier JIT, - Native image compilation - Espresso First Tier and Last Tier JIT The new SVM interpreter for JDWP adds another. So five with debugging enabled.

This will be a big deal 🪄🤩. Normally the debug experience of natively compiled languages get obfuscated due to compiler optimisations like inlining. Not here. All optimizations can be enabled to debug GraalVM native images and it looks just the same as without opts.

TornadoVM leads the way for AI in the Java ecosystem. Matrix-multiply is critical for LLM performance. Just like Truffle this is powered by the Graal compiler. #java4ai

"Espresso: Java on GraalVM"--an airhacks.fm podcast conversation with Alfonso Peterssen about Java on Java aka #Espresso is ready to listen: adambien.blog/roller/espre... #Java #GraalVM #Podcast

Yes, well kept secret on how to make your Java app run faster: Select the @graalvm.org JIT compiler 🚀🏆! github.com/oracle/graal...

This is a very, very interesting space. We've already seen #GraalPy solve very real and difficult problems. In my head, the #GraalPy polyglot API is the best way to bring data scientists using Python and software engineers using Java, together for #cloudnative and #edgenative solutions!

Don't miss @fniephaus.com mind blowing demos!

This is what our interns or artists in residence as we like to call them do.

For security reasons I was just logged out of my security compliance course. 🤔

Good news everyone! 🎉 After two years of R&D, we've finally merged the Bytecode DSL into master! Truffle now generates bytecode interpreters from AST-like specifications for you. ASTs are dead, long live bytecodes! Check it out: github.com/oracle/graal...

ChatGPT has improved significantly. Here is the proof:

20 people to run a service for 20M is truly impressive! Congrats!

Bluesky now has over 20M people!! 🎉 We've been adding over a million users per day for the last few days. To celebrate, here are 20 fun facts about Bluesky:

For Newbies coming from Twitter, like me, I'd recommend that you tune the Discovery Feed by making use of "more of that", "less of that" feature (clock on the the "..." in the feed). I already see an improvement in my feed after using it for a bit.

https://buff.ly/40KmT0t Graal compiler: +10% faster inference with the latest early access build. New features: batched prompt processing & AVX512 support.