The updated interface has been discussed in several places in this forum and in StackOverflow:
See also:
I would in particular suggest reading the second half of my answer here, which was the last ‘See Also’ link I posted above. The references therein go into more detail on how things have changed in the ecosystem.
If you are new to this, I would suggest getting used to it as this is the direction of current and future development of the Jupyter interface.
Alternatively, you can opt to use NbClassic:
- Restoring look and feel of Jupyter notebook? - #2 by fomightez
- plus the bottom of of my answer here discusses this more.
Note though that will continue to go out of step with development in the Jupyter project.
Cross-posted at StackOverflow here without linking.
Please don’t crosspost without linking the posts at different locations. Without that acknowledgement you can often cause multiple people to say the same things in different locations and create information silos as others don’t realize there is a valuable solution at the other location.