Stijn De Pauw

https://wiki.blender.org/wiki/Reference/Release_Notes/3.5/Python_API#Breaking_changes Overriding of default operators appears to be unconventional and caused some problems when having registered a lot of overrides. They removed this functionality. In addition to that, the error...

I see that you can even override the default delete action in the preferences,  This way you do not have to mess with the users bindings! Just search through...

Unfortunately no, I am no longer active on this project. What would be your usecase? Maybe I can see if we can fix what you need/get you a head start...