It seems to me that members of the church tend to pride themselves in saying that our church has the same doctrines and same organization that Christ’s church had when he established it. Obviously the church organization is considerably different, and so are many of the doctrines.
I have been looking back over church history in general and the church in my lifetime and find quite a number of changes. It appears to me that many of the changes in the church have come about because of social pressures and or social changes in society.
Obviously polygamy comes quickly to mind. So does the priesthood available to all worthy males. How about missionary calls? No longer do we ask married men to leave their families to serve a mission. Now we call 19 year olds, great time in their life and it works well. The old policy would certainly test our faith and provide dedicated missionaries.
Changes in the endowment. No more specific penaties in the covenant / signs and token process. The recent change in the washing and annointings. Changes in women and child bearing…old days specific about not postponing a family, large families encouraged. Now days we don’t hear this preached at conferences anymore. And women not working outside the home…old days, they shouldn’t. We don’t here this much if at all from conferences anymore. Old days to the youth, don’t date outside the church…now date good people with similar standards. Old days tithing, fast offerings, building fund, ward budget, temple fund were the "required" donations. This Bishop would interview you and ask you to contribute a specific amount to the building fund, to the ward budget and to the temple fund. These were usually pretty heathly amounts too. (I remember when the Seattle Temple was started the Bishop asked us to contribute $800, back then that was a lot of money for a young married couple to come up with, especially considering the other donations too….sure, sure, we were blessed for doing it, but are we missing out on blessings today because the change.) Now tithing, fast offerings and other choices if you want to contribute.
I’m sure there are other areas too. It just seems to like the church has gotten easier, more main stream, less distinct, maybe even less challenging. Maybe I’m just getting too old.