AI Cell Button Missing in Jupyter Notebook files since PyCharm 2026.2

Problem

The AI cell button is missing in IPYNB files since PyCharm 2026.2

Cause

The AI button was intentionally removed from Jupyter notebooks as per JetBrains' decision. Details about this change can be found here.

Resolution

The AI chat functionality continues to work as usual. Additionally, users can still utilize AI in Jupyter notebooks by using the Ctrl+\ shortcut. Refer to the AI in Jupyter Notebooks help page for more information.