The plan, Asynchronous Stack Trace VM API, would define an AsyncGetStackTrace API to collect stack traces asynchronously and include data on both Java and native stack frames.

Asynchronous programming in JavaScript leverages features like callbacks, promises and async/await to sidestep this issue by allowing other code to run in the meantime.

Virtual threads take the responsibility for allocating system resources out of your application code and into the JVM. Here's a first look at virtual threads in Java 21.