| ⇢ | B | WidgetPluginManager._resolve_widget() added | |
| ⇢ | A | defaultsnamedtuple() added | |
| A | ↘ | B | Directory.widgets() got worse |
| B | ↘ | C | WidgetPluginManager.iter_widgets() got worse |
| D | ↘ | F | browse_sortkey_reverse() got worse |
| C | ↗ | B | WidgetPluginManager.create_widget() improved |