Where does the bug appear (feature/product)? Cursor IDE Describe the Bug The IDE does not load python kernels to run the blocks and you can not select the kernel you need. actually you can’t even select any kernels so you can’t work with ipynb files with cursor v2.0.69 Steps to Reproduce Just try …

Broken jupyter notebook in v2.0.69

deanrie (Dean Rie) Split this topic November 8, 2025, 11:03am 2

2 posts were merged into an existing topic: Kernel Selection doesn’t work

Topic		Replies	Views
Select Kernel doesn't show anything though VSCode works Bug Reports	2	1652	January 23, 2025
Unable to start up Python interpreter on .ipynb Bug Reports	3	161	November 28, 2025
Kernel Selection doesn't work Bug Reports	172	8991	January 12, 2026
Highlighting/Selecting text and clicking at specific text broken in jupyter notebook cells Bug Reports	2	90	December 12, 2025
Cursor 2.5.25 is broken (kernels not loading) Bug Reports extensions , data-science	2	72	February 25, 2026