Workers, Durable Objects - Inspect Worker startup performance with Wrangler
Cloudflare's changelog for July 31, 2026, introduces a new feature in Wrangler, the command-line tool for Cloudflare Workers: a startup profile summary. This feature enables developers to inspect the startup performance of their Workers directly from the CLI. The changelog entry, titled "Inspect Worker startup performance with Wrangler," provides details on how developers can use this new capability to analyze and optimize the initialization phase of their serverless functions. While the exact command syntax and output format are not detailed in the provided excerpt, the feature is positioned as a tool for performance inspection during development. This addition is part of Cloudflare's ongoing updates to its developer platform, aiming to give developers more visibility into the runtime behavior of their Workers. The changelog is part of the official Cloudflare Developer Platform documentation, indicating that the feature is now available for users.
Developers can now use Wrangler to inspect Worker startup performance, aiding in optimization.