Conversation Flow agent potentially stay silent after function node

Incident Report for Retell AI

Resolved

3am: a culprit release was deployed, leading to some of the conversation flow agents stay silent after a function. It happens when a function and response is happening at same time, and is due to a message order issue before feeding to LLM.
8am: a fix is being deployed
8:30am: fix is fully deployed

Posted Jul 14, 2025 - 03:00 PDT