Settings not loading in Chrome devtools console:

In the latest version of Chrome devtools console:

I get 100s of the following:
"Skipping this shortcut because there are no actionable keys on this platform" issued from **5649.bundle.js**

Then I get the same messages as OP (except they are from **3768.bundle.js)**

I am using:
Windows 11
Python 3.12.x
Used "pip3 install ..." to get Jupyter
Jupyter Dark theme
NO Anaconda

The result is the "increase/decrease font sizes" in the menus do not work. The color schemes for highlighting different data types and keywords also does not work.

Forgot to mention "auto-formatting" (eg. inserting a tab when needed), also does not work!
:(

_Originally posted by @capey0 in https://github.com/jupyter/notebook/issues/7062#issuecomment-2050786588_

Reproduce the issue in Chrome DevTools using Windows 11, Python 3.12.x, pip-installed Jupyter, and the Jupyter Dark theme. Inspect the reported messages from 5649.bundle.js and 3768.bundle.js, then verify that font-size controls, syntax highlighting, and auto-formatting work correctly in the menus and editor.

Written by the indexing model from the issue text.