Changes.Watch

Startup Founders changelog digest

May 11 - May 17, 2026. Useful releases, risky migrations, and noisy updates from the Startup Founders channel.

Startup Founders updates in 2026-w20

Responses API improvements for tool-calling

  • Improved controls for tool-calling and structured output flows.
  • Reduced latency for selected model and tool combinations.
  • Apps using older completions-style flows should review migration paths.

Deployment insights adds route-level latency views

  • Deployment views now surface slow routes and cold-start patterns.
  • Teams can compare latency before and after a production rollout.