The tooltip crosshair lags behind the cursor

[OLarionova-HORIS]

The crosshair appears when the general tooltip is placed in a fixed position (the 'anchor' option). In the example below (with multiple layers), the vertical line is lagging behind the cursor:

The last output in this demo: https://nbviewer.jupyter.org/github/JetBrains/lets-plot/blob/master/docs/examples/jupyter-notebooks/formatting_axes_etc.ipynb