Blog

Faster Startup on IBM Semeru with OpenJ9 Shared Classes Cache

May 06, 2026 tags:#performance #aot #semeru

By Georgios Andrianakis

Quarkus 3.35 brings great startup improvements to IBM Semeru Runtimes. The same `quarkus.package.jar.aot.enabled=true` flag that activates Project Leyden on OpenJDK now automatically generates an OpenJ9 Shared Classes Cache - no code changes needed.

Emergency releases to fix CVE-2026-39852 in all supported streams

May 04, 2026 tags:#security #release

By Jan Martiška

We released emergency patches to fix CVE-2026-39852 in all supported streams.

Quarkus 3.35 - JAR tree-shaking, PGO for native, Semeru AOT, @Transactional for Hibernate Reactive, and more

May 01, 2026 tags:#release

By Guillaume Smet

We released Quarkus 3.35, which comes with JAR tree-shaking, Profile-Guided Optimization for native builds, Semeru AOT support, @Transactional support for Hibernate Reactive, and several other improvements.

A2A Java SDK 1.0.0.Beta1 Released

April 27, 2026 tags:#ai #a2a

By Emmanuel Hugonnet

A2A Java SDK 1.0.0.Beta1 is now available, aligned with the final A2A Specification 1.0.0.

Quarkus 3.34.6 - Maintenance release

April 23, 2026 tags:#release

By Guillaume Smet

We released Quarkus 3.34.6, a regular maintenance release.

Quarkus Newsletter #67 - April

April 22, 2026 tags:#newsletter

Curated online stories, articles, and videos about Quarkus are available in the April 2026 edition of the Quarkus Newsletter.

Quarkus 3.34.5 - Maintenance release

April 17, 2026 tags:#release

By Guillaume Smet

We released Quarkus 3.34.5, a regular maintenance release.

Enabling reflection-free Jackson serializers by default

April 13, 2026 tags:#json #serialization #jackson #performance

In 3.35, we are going to enable reflection-free Jackson serializers by default.

Quarkus 3.34.3 - Maintenance release

April 08, 2026 tags:#release

By Guillaume Smet

We released Quarkus 3.34.3, a regular maintenance release.

Quarkus 3.34.2 - Maintenance release

April 02, 2026 tags:#release

By Guillaume Smet

We released Quarkus 3.34.2, a regular maintenance release.

Tags

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