Under the hood
New internal telemetry tracks upload connection timing and socket reuse during artifact publishing
What
Claude Code now instruments its network layer to record detailed information about publish/deploy uploads: whether the network connection (socket) was reused from a previous request, how long it sat idle before reuse, whether a response started coming back, how many bytes actually made it onto the wire compared to the total body size, and which local IP address family was used.
Why
This data feeds the new retry-on-dropped-connection logic and related telemetry, giving better visibility into why an upload might have failed or been slow.