Aw, sorry about that! It always takes us a while to update as new Python versions are released, because we first have to wait for all our dependencies to be available with wheels/releases for the new version. You can still run Prodigy in a separate virtual environment that runs 3.8 (e.g. using pyenv). The nightly also has wheels for 3.9 already: ✨ Prodigy nightly: spaCy v3 support, UI for overlapping spans & more