InfoQ - Concurrency

Cloudflare Introduces Workflows V2 with Deterministic Execution and 50K Concurrent Workflows

Leela Kumili — Fri, 15 May 2026 14:04:00 GMT

Cloudflare introduces Workflows V2, a redesigned distributed workflow orchestration system with deterministic replayable execution, improved observability, and major scaling upgrades, including 50,000 concurrent instances and 2M queued workflows. It supports AI agents, data pipelines, and background processing with improved reliability across distributed systems.

By Leela Kumili

JEP 533 Tightens Exception Handling in Java's Structured Concurrency for JDK 27

A N M Bazlur Rahman — Wed, 13 May 2026 14:36:00 GMT

JEP 533, Structured Concurrency, has reached integrated status for JDK 27. It refines exception handling and type safety in its API, particularly focusing on exception flow with a new ExecutionException type. Changes include an updated Joiner interface and a new open overload for easier configuration. The steady evolution signals ongoing development as feedback shapes the API.

By A N M Bazlur Rahman