Starting jupyterlab on the free-threaded build on MacOS immediately segfaults. See jupyter/notebook#7512 for the same issue reported against notebook. Install a free-threaded python on MacOS with ...

In Windows 10, when using Python 3.12, the CLI outputs "Failed building wheel for pyzmq" when installing via pip install in a mamba environment. With 3.11 and below, the extension worked in Jupyterlab ...