- Cycle detection in message threading: Prevents infinite loops when building message chains by detecting cycles in the
parentUuidchain (search for"Cycle detected in parentUuid chain") - WebSocket dead connection detection: New "No pong received, connection appears dead" check for WebSocket MCP transports, improving connection reliability (search for
"No pong received, connection appears dead") - Idle teammate null reference fix: Guard against null
frozenDurationReffor idle teammates (search for"frozenDurationRef is null for idle teammate") - Edit tool error message: New specific error message "string to replace not found" for failed Edit operations (search for
"string to replace not found")
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Anthropic's release notes agree
Fixed a hang when resuming sessions with corrupted transcript files containing parentUuid cycles