Phptimeseries missing last value in Visualisations

If I look at a phptimeseries Feed graph the most recent data point is displayed (at 11:52 for 80 degrees F):


If I look at the same phptimeseries Feed in multi-graph Visualisations I am missing the most current data point:

Was this discussed in the past and I am just blind and cannot locate it?!?

Is this a bug with Visualisations?