I did some testing and am able to replicate both of these issues. I have created a ticket for our development team to investigate the OnChange event breaking when the value is updated via another action. I’ll keep you posted on any updates I receive via this thread.
As for the OnClick not working, can you provide me with a scenario where you would need to use this event with a radio button as opposed to the OnChange event? I’m happy to write up a ticket, but I would like to know the use-case first.