Media agent for Roku v4.1.0

April 9, 2026

New features

Added QoE analytics for comprehensive video quality tracking with advanced performance metrics
Added averageBitrate attribute: time-weighted average bitrate across playback
Added peakBitrate attribute: highest bitrate achieved during playback
Added startupTime attribute: time from content request to first frame (excludes pre-roll ads)
Added rebufferingRatio attribute: percentage of playback time spent rebuffering
Added totalRebufferingTime attribute: total milliseconds in buffer states
Added totalPlaytime attribute: total content playback time in milliseconds
Added hadStartupError attribute: boolean indicating if startup failed before content start
Added hadPlaybackError attribute: boolean indicating if playback errors occurred during session
Added nrActivateQoeTracking(nr) to enable QoE tracking (disabled by default)
Added nrSetQoeAggregateIntervalMultiplier(nr, multiplier) to configure event frequency

Synchronized QoE events with harvest cycles
Prevented redundant events through intelligent duplication
Implemented per-session metric isolation and cleanup
Implemented time-weighted bitrate calculations for accuracy
Implemented smart startup time calculation excluding ad time
Disabled QoE tracking by default; harvest multiplier set to 1 (every harvest cycle)