Platform differences
One engine, two hosts. Every release replays the same recorded session through both implementations and verifies the outputs match to float round-off.
AreaDifference
Panel placementBelow the heatmap on Bookmap; top-right readout on NinjaTrader 8.
Buy / sell linesDefault on Bookmap; toggled on NT8.
Alert delay scopePer indicator line on Bookmap; per direction on NT8.
Notifications hubAggregates across open tabs on Bookmap.