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We released Quarkus 3.38, which comes with weight-based eviction for Hibernate second level Caffeine cache regions, and more.

The OpenJDK team says don't pool virtual threads. We measured what pooling buys - 8% less allocation - and what it costs - 60 MB of near-empty stack chunks - and found that it saves the cheap thing and keeps the expensive one.

We released Quarkus 3.37.4, a regular maintenance release.

We found our benchmark was measuring Spring's warmup, not its peak. We changed it. Spring's numbers went up. Quarkus's didn't. That's what fairness looks like.

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

Quarkus Shim lets you change the behavior of Java classes during the Quarkus build, with support for JVM mode, dev mode, and native executables.

We released Quarkus 3.37.3, a regular maintenance release.

Jeremy Davis returns for a deep dive into a call-for-papers application that demonstrates DDD patterns in action: commands, aggregates, value objects, the outbox pattern, subdomain collaboration, architecture tests with ArchUnit, and how coding agents can follow DDD conventions.

Implementing input guardrails with Open Policy Agent (OPA) for secure LLM applications.

We released Quarkus 3.37.2, a regular maintenance release.