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5 articles
Python
PEP 751 is Final, but pip and uv emit fundamentally different pylock.toml files. Hands-on results, the silent failure mode, and where pip/uv/PDM/Poetry/packaging actually stand in August 2026.
Python
Why CancelledError must never be swallowed, why except TimeoutError leaks when timeout wraps a TaskGroup, and what TaskGroup.cancel() changes in Python 3.15.
Python
Evaluate Python 3.14 free threading with runtime GIL checks, C-extension qualification, shared-state audits, controlled benchmarks, canary thresholds, and a tested rollback to the regular build.
Python
What uv.lock captures and why to commit it, when a workspace is the wrong tool, gating drift in CI with uv lock --check, Docker layer caching, and exporting lockfiles without losing the source of truth.
Python
A practical Python 3.15 Beta 4 migration plan for prerelease CI, dependency wheels, UTF-8, lazy imports, abi3t, canaries, and rollback gates.
