time_zone is now required

What changed

Partial payloads are rejected.

Affects UpdateScheduleRequest reachable from 1 operation.

Who is affected

Code that sends PagerDuty's UpdateScheduleRequest objects, used by 1 PagerDuty operation.

Before and after

Code that breaks

await client.post("/…", {
  // …
  time_zone: /* now required */,
});

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