Version 0.74.0
Release date: January 6, 2021
Notable Changes
💾 st.file_uploader. has been stabilized and the deprecation warning
  and associated configuration option (deprecation.showfileUploaderEncoding) has been removed.
📊 st.bokeh_chart is no longer duplicated when the page loads.
🎈 Fixed page icon to support emojis with variants (i.e. 🤦‍♀️ vs 🤦🏼‍♀️) or dashes (i.e 🌙 - crescent-moon).
Version 0.73.0
Release date: December 17, 2020
Notable Changes
🐍 Streamlit can now be installed on Python 3.9. Streamlit components are not
  yet compatible with Python 3.9 and must use version 3.8 or earlier.
🧱 Streamlit Components now allows same origin, enabling features provided by
  the browser such as a webcam component.
🐙 Fix Streamlit sharing deploy experience for users running on Git versions
  2.7.0 or earlier.
