I just tried compiling and installing sage from source and ./sage -n runs a Jupyter interface which does not have Sage as a kernel.
I am using Windows 11 with WSL 2. I installed Ubuntu 20.04 and upgraded it to 22.04. After cloning the sagemath GitHub repository, I ran ./configure --enable-editable and then installed all the suggested packages. I got some build errors, probably due to me setting MAKE='make -j24' but after unseting that variable and reruning make build it finished without errors.
The console version runs and shows sage 9.6 but jupyter and jupyterlab interface do not provide Sage as kernel. There's just Python.
