Driftwatch

Vercel / Vercel REST API /

Breakingdirection flip: their tools call this safe

status can now return "crash_looping"

What changed

Producer-side tools call this additive. It breaks exhaustive switches, strict parsers and generated client enums.

Affects daemons[].status on GET /v1/projects/{idOrName}/daemons.

New value: crash_looping.

can now return "crash_looping"

Who is affected

Code that reads GET /v1/projects/{idOrName}/daemons (daemons[].status).

Before and after

WhereBeforeAfter
GET /v1/projects/{idOrName}/daemons · daemons[].status"ready", "reconciling", "stopped""crash_looping", "ready", "reconciling", "stopped"

Code that breaks

switch (response.daemons[0].status) {
  // existing branches …
  // no branch for "crash_looping"
  default:
    throw new Error("unexpected status");
}

Based on Vercel’s published API specification. How severity is decided.