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GraalVM 25 released today! 🎉 My favorites this release👇

GraalVM@graalvm.org

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...

Christian Humer

@chumer.dev

All language and tool Maven artifacts are now OSS licensed! For example, the 'js' Maven artifact is now identical to the 'js-community' counterpart. If you want extensions like sandboxing, you now need to depend on the 'truffle-enterprise' dependency explicitly.

16/9/25, 6:44 pm0 reposts3 likes

Christian Humer

@chumer.dev

16 Sept 2025

The GraalWasm Java Embedding API has gotten a face-lift. It now works more similarly to the Wasm embedding API in JavaScript. Here is an extensive migration guide: github.com/oracle/graal...

Polyglot isolates now ship with a new memory isolation technique called Monocle. Monocle is about 4x faster compared to the previous, fence-based mitigation. My colleagues also published a wonderful paper about this: www.shwetashinde.org/publications...

shwetashinde.orgshwetashinde.org

Christian Humer

@chumer.dev

16 Sept 2025

You can now switch from internal to external isolate mode with untrusted code. Running untrusted code in an external process can provide an additional layer of security. Also, did I mention that GraalWasm now supports untrusted code execution? More here: www.graalvm.org/latest/refer...

graalvm.org Embedding Languages GraalVM is an advanced JDK with ahead-of-time Native Image compilation.

Christian Humer

@chumer.dev

16 Sept 2025

Truffle now automatically detects deoptimization cycles. We also found and fixed many such bugs by enabling this feature for our tests! Learn more here: github.com/oracle/graal...

github.comgithub.com