Function start type now available in Runtime Logs

T1Covered by 1 source · first reported by Vercel (blog + changelog) at 22 Dec 2025, 13:00 UTC

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. Hot Hot (prewarmed) Cold Cold Cold (280ms) A Function invocation can be either:,or. When a Function was invoked and it's astart, we also display the cold…