If you use Julia, Makie crushes this use case and comes with great Python interop. https://github.com/holoviz/datashader https://github.com/holoviz/datashader

If you use Julia, Makie crushes this use case and comes with great Python interop. https://github.com/holoviz/datashader https://github.com/holoviz/datashader is a good one in the Python ecosystem.