New Streamlit release: 0.45.0

pip install --upgrade streamlit
or
conda update streamlit

Highlights:
:scream: Experimental support for sidebar! Let us know if you want to be a beta tester.
:gift: Completely redesigned st.cache! Much more performant, has a cleaner API, support for caching functions called by @st.cache’d functions, user-friendly error messages, and much more!
:frame_with_picture: Lightning fast st.image, ability to choose between JPEG and PNG compression, and between RGB and BGR (for OpenCV).
:bulb: Smarter API for st.slider, st.selectbox, and st.radio.
:robot_face: Automatically fixes the Matplotlib backend – no need to edit .matplotlibrc