Under the hood
New telemetry event tracks how long queued messages wait before being delivered
What
Claude Code now records a queued_message_delivered telemetry event whenever queued commands or prompts are dispatched. It logs the delivery mode, how many commands and prompts were included, and how long the oldest item in the queue had been waiting.
Why
This gives insight into how queued messages and commands are actually delivered and how long they sit waiting, which helps identify delays in message handling.