Driftwatch

Mux / Mux API /

Breaking

Response field value removed

What changed

Reads of this field return undefined, and the failure surfaces wherever that value is used rather than at the call.

Affects EngagementHeatmap reachable from 3 operations.

Who is affected

Code that reads Mux's EngagementHeatmap objects, used by 3 Mux operations.

Before and after

WhereBeforeAfter
EngagementHeatmap.valuepresentabsent

Code that breaks

// response.value is now undefined
const value = response.value;

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