Update README.md

Author: jackparmer

Diff for: README.md

@@ -21,6 +21,8 @@ fig.layout.title = 'Hello FigureWidget'
 
 See the [Python documentation](https://plot.ly/python/) for more examples.
 
+React about what's new in [plotly.py v3](https://medium.com/@plotlygraphs/introducing-plotly-py-3-0-0-7bb1333f69c6)
+
 ## Overview
 [plotly.py](https://plot.ly/d3-js-for-python-and-pandas-charts/) is an interactive, browser-based graphing library for Python :sparkles: