I can confirm ipykernel not properly connecting with ipykernel 7 and Python 3.14 on Windows 11, it was also reported here@github.
Try pip install ipykernel==6.30.1
I can confirm ipykernel not properly connecting with ipykernel 7 and Python 3.14 on Windows 11, it was also reported here@github.
Try pip install ipykernel==6.30.1