Thank you for finding this! I can't believe it slipped through, I know I tested it at various times. It looks like when free-threading support was added, the venv scripts were no longer renamed from ...

opencv-python and similar isn't installing at all in a venv set up with uv venv --relocatable --python 3.12 python_embedded (python_embedded) PS D:\appmana\appmana-comfyui\src\python_embedded_test> uv ...