We have improved the packing step of an app-version publish by implementing uv as Python package manager. This package manager is significantly faster than pip and can speed up your publishes up to several minutes!
Check out the following references to learn more!
NOTE: Your app should still consist of a requirements.txt file! The Feature Request for uv support in local development (e.g. using pyproject.toml) can be tracked here: Python version handling by uv