Do you think there will ever be a version where we can really say bitcoin consensus rules are set in stone forever?
Could be never, because bitcoin must adjust in means of social, security and engineering to be viable.But that doesnt mean its bad thing, its very good thing it CAN adjust
Correct, bitcoin should innovate also and adjust the needs of this changing times. Bitcoin consortium could implement what is needed because we have a fast changing advancement in technology. What is acceptable today is possibly obsolete in the coming years. They need to patch up things that is not working anymore.