You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

gdsfactoryplus
0.30.2

This version was deleted from PyPI around 2025-11-13. Installing fails with:
$ pip3 install gdsfactoryplus==0.30.2 ERROR: Could not find a version that satisfies the requirement gdsfactoryplus==0.30.2