Function start type now available in Runtime Logs

Published: (December 22, 2025 at 08:00 AM EST)
1 min read

Source: Vercel Blog

Function start type now available in Runtime Logs

For any request involving a Vercel Function invocation, you can now view the function start type in the right‑hand details panel of Runtime Logs.

A Function invocation can be either: , or . When a Function was invoked and it’s a start, we also display the cold start duration like: .HotHot (prewar…

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