| ⇢ | A | PluginClass added |
| ⇢ | F | PluginManager.initialise() added | |
| ⇢ | F | PluginClassManager.register_class() added | |
| ⇢ | B | PluginManager.initialise_by_names() added | |
| ⇢ | A | PluginClass.__init__() added | |
| ⇢ | A | PluginManager._register_initialisation() added | |
| D | ↗ | B | PluginClassManager.register() improved |
| F | ↛ | PluginManager._load() removed | |
| A | ↛ | test_app_initialisation_with_plugins() removed | |
| A | ↛ | PluginManager._register_load() removed |