Technical rigor. Human consequences.
Notes on engineering, AI, and the people it all affects.
I'm Lorena Mesa. Software engineer, PSF Fellow and Ex-Chairperson, PyLadies Chicago founder, and occasional Starfleet enthusiast. Abides by the motto to live long, Python, and prosper. 🖖
LATEST · OCT 2026
The Refit: What Python 3.15 Actually Looks Like When You Ship It
Python 3.15 final shipped today. Here's what it actually looks like in production — lazy imports, frozendict, sentinel, a stdlib sampling profiler, and a 7-12% JIT — in EventLoop, a Chicago events chatbot on Python 3.15, uv, FastAPI and PydanticAI.
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