What changed
No action needed unless you validate responses against a closed schema.
Affects MessageResponse reachable from 19 operations.
Who is affected
Code that reads Discord's MessageResponse objects, used by 19 Discord operations.
Before and after
| Where | Before | After |
|---|---|---|
| MessageResponse.referenced_message.lobby_member | absent | present |
Based on Discord’s published API specification. How severity is decided.