I just upgraded to Idea 2023.3.4, installed the python and jupyter plugins, then created a new project in a python 3.12 virtual environment. Executing the first cell in a notebook yielded the error "no module named jupyter". What else is needed to get this working?
Installing the jupyter package in the virtual environment solved this for me. In Intellij, go to File | Project Structure... | SDKs then select the project's virtual environment. In the right pane click on the Packages tab, click the +, type "jupyter" in the search box, select the jupyter package, and click Install Package.