Modern applications might need to support millions of users, but OS threading limits present a problem. Here's how Java 21 virtual threads solve it.

Micronaut Framework 4.0.0 detects virtual thread support, available since Java 19, and uses it for the executor named "BLOCKING" if available.

Project Loom massively increases resource efficiency while preserving backward compatibility with Java threads. Here's a look at Loom and the roadmap ahead.