Structured Concurrency in JDK 27: How StructuredTaskScope Prevents Thread Leaks (opens in new tab)

Virtual threads solved the scalability problem — but not the correctness problem. You can now spin up a million threads cheaply, which is exactly why it matters more than ever to guarantee that none of them outlive the operation that created them. Structured Concurrency, now in its seventh preview as JEP 533 targeted for JDK 27, is …