/mcp enable and /mcp disable now persist across sessions
OpenTelemetry monitoring: subagent spans now use INTERNAL span kind, and chat spans include a github.copilot.time_to_first_chunk attribute (streaming only)
Plugin hook scripts with missing execute permissions now run correctly on macOS
Custom agent is properly restored when resuming a session where the agent display name differs from its filename
Skip IDE auto-connect when session is already in use by another client
Slash command timeline entries now include the command name (e.g., "Review", "Plan") for better context