Origin

What's new in this version:

New features:
- Add an entry called Restart in debug mode to the File menu. That will allow users to inspect the log files generated by Spyder by going to the menu Tools > Debug logs after the restart.
- Add a new command line option called --conf-dir to set a custom configuration directory for Spyder
- Show hidden directories in Projects by default

New API features:
- Use toolbar ids and widget/action ids when adding an item to a toolbar
- Use menu and item ids to add items to the Main Menu plugin

Important fixes:
- Fix several performance issues in the Editor
- Fix slow browsing of variables in the Variable Explorer when Numpy and Pandas are not installed
- Discard symbols imported from other libraries in the Outline pane

Fixed:
- TypeError: runfile() got an unexpected keyword argument 'current_namespace' when trying to debug
- ModuleNotFoundError: No module named 'platformdirs.macos' on macOS App
- Error when clicking Tools menu
- Multiple IPython documentation help menus
- Maximum character line slightly wrong
- Variable explorer is very slow
- New Splash Screen misbehaves on dark backgrounds
- Mac OS - Execute in external system terminal not working
- "Format file or selection with Autopep8" cause the code to be misplaced
- 5.1.1 : omitted indentation when pasting with the editor
- Slow response when editing files (after some time)
- Feature Request: Specify a config directory on the command line
- Disabling monitor scale change warning when using two screens
- Highlight instances not shown when scrolling