- Update to 5.4.1
## New features
* Support for IPython 8
* Improvements for code completion and help offered for
scientific modules (Numpy, Pandas, Matplotlib and Scipy)
* Improvements to the UX/UI of the FindReplace widget (find and
replace functionality)
* New PYTHONPATH manager plugin
## Important fixes
* Improve/fix errors regarding the New Window and Split window
Editor funtionality and general RuntimeErrors on the Editor
* Improvements when syncing symbols and folding code
functionality for the Editor
* Fix PYTHONPATH handling for the IPython console
* Some fixes for code completion and code style linting
functionality
* Some fixes/improvements regarding UX/UI for the IPython console
pane, menu and context menu generation
* Some improvements regarding UX/UI for the current working
directory toolbar
## New API features
* Improvements to the way Spyder handles menus sections additions (forwarded request 1046014 from bnavigator)