Nice concept certainly
You have definitely *not* understood the concept *at all*. Trying reading that FAQ again!
again: 5.4 != 5.3
*Can* you read? Nobody wrote that "5.4 == 5.3".
If you want to stay on 5.3, then simply don't do updates anymore.
5=current 5.0=5.0 5.3=5.3 5.4=5.4 current=5.4+updates
Kai