📢Important Update 📢 Many have asked for more time to submit to the 2026 #JavaOne call for papers. We've extended the deadline until Nov 13th at 11:59pm PT. Be sure to submit your #Java proposal(s) before time runs out: ➡️ social.ora.cl/6013A7UXF

🚨 Time Sensitive 🚨 #Java peers...the 2026 #JavaOne call for papers closes soon. Get your proposals in by the Nov 11 deadline ➡️ social.ora.cl/6017A7UwL

📢 Announcement 📢 #Java peers, the 2026 #JavaOne call for papers is now LIVE. Please make your submissions by November 11, 2025 5:00 p.m. PT by visiting the conference website: ➡️ social.ora.cl/6013A7UXF

@pminborg.bsky.social and I wrote a bit about some of the many performance improvements in JDK 25: inside.java/2025/10/20/j... tl;dr: upgrade to JDK 25 and add -XX:+UseCompactObjectHeaders

You can't have both laziness and immutability at the same time in #java ... until Lazy Constant arrives ... JEP 526: Lazy Constants (Second Preview) is now a Candidate for JDK 26! Read all about it here: openjdk.org/jeps/526

Looking forward to Java One next year!

My talk "Java Performance Update 2025: From JDK 21 to JDK 25" for @devoxx.com‬ was accepted! I am looking forward to returning to Antwerp and meeting members of the #java community! I will also do another talk: "Finally, final means final - A deep dive into field immutability in Java"

#Java peers, #JavaOne IS BACK AGAIN IN 2026 (March 17-19). Read our blog to learn more and sign up w/interest if you want to attend, speak, or sponsor: social.ora.cl/6011fdkbH

We integrated #java 's new Stable Values feature just now! This will allow developers and library developers to benefit from the "secret" @Stable annotation that the internal JDK code has been using for years. This can bring significant performance improvements to your code! openjdk.org/jeps/502

We just integrated a performance improvement to Java String that will provide a ~10x performance boost in some applications where Strings are used as keys and where the associated values are constant foldable. This will make JDK 25 faster. github.com/openjdk/jdk/...

#java 24 is out and here is a summary of the performance improvements we made: inside.java/2025/03/19/p...

You asked, we delivered: we merged FFM support in @graalvm.org Native Image on MacOS/AArch64!🚀😍 github.com/oracle/graal... This means that you can now also build and run locally apps like github.com/mukel/llama3... (cc @stephanjanssen.be :)) Coming soon in GraalVM for JDK 25 EA builds!🎉

#java 's new Stable Values API (Preview) was just targeted for JDK 25! Don't miss my talk at #JavaOne about Stable Values: reg.rf.oracle.com/flow/oracle/...

We have been working hard on a new feature for #java called "Stable Values". Don't miss my talk at #JavaOne where I uncover what this can mean in terms of improved performance and maintainability for your Java code. Early bird discounts are still available! reg.rf.oracle.com/flow/oracle/...

My talk at Devoxx BE on "Java Performance Update" for JDK24 seems to attract much attention — almost 50K views in the first week alone. Find out what you think about it and let me know your thoughts: www.youtube.com/watch?v=rXv2...

Hey #Java Developers, ☕️ JavaOne is happening March 18-20 in Redwood Shores, CA. JavaOne is your opportunity to learn about the future of Java from experts like @pminborg.bsky.social on features like Stable Value Buy your tickets now: inside.java/j1?utm_sourc...

The new StableValues JEP for #java is now one step closer to being finalized: openjdk.org/jeps/8312611 Stable Values will provide the benefits of final fields but with flexible initialization, much like combining the benefits of final and non-final fields.

#Java developers! @JavaOne is BACK (18-20 Mar). Early bird registration is available through Feb 9th. Please (re)join us at THE conference that started it all... Blog ➡️ social.ora.cl/6015Qne5z Event ➡️ javaone.com #JavaOne #OpenJDK #JDK

The JDK 24 train has left the station, and now we are working on JDK 25. I am hoping to see some cool improvements in this one:

The fork for JDK24 is approaching and we are about to integrate a PR that will improve string-length performance for the Foreign Function & Memory API (FFM) by about 30% for common cases. It started out as a bug (which was also solved) and ended with better performance. github.com/openjdk/jdk/...