Summary
Local packages included as dev dependencies are, under circumstances hard to describe precisely, reinstalled for each invocation of uv sync --all-packages. This is annoying as uv otherwise is delightfully fast.
Here is a small example: https://github.com/Knut-Boost/uv-example
Platform
Ubuntu 22.04.5 LTS
Version
0.7.8
Python version
3.12.6