Stop waiting for pip. Replace it with uv — a 2MB binary that installs Python packages 10-100x faster and manages your entire environment.
FastAPI dropped Pydantic v1 support. If your APIs still use v1, here’s everything that breaks, what changes in v2’s Rust core, and a full migration checklist with code examples.
In Part 1, I described how pandas reached its limit and how Polars solved my immediate performance headaches. In this part, I’ll dig into the practical steps I used to convert a real data pipeline from pandas to Polars. I’ll share what made the migration…
