Today is the 50th anniversary of Vatican II. Depending on who you ask, it was a great first step or a terrible mistake. Those who long for the days of the Latin Mass don't much care for Vatican II and those who want to ordain women and allow priests to marry don't think it went far enough. For Christians outside of Roman influence the whole thing is quite confusing.
This article from Desiring God is an important look at what changed and what has not,
What Happened at Vatican II (And How to Pray 50 Years Later). It pulls no punches nor should it. It does help flesh out what Vatican II means, to Catholics and to non-Catholics alike. There are also a couple of interesting stories about the anniversary on NPR and a sympathetic story on National Review.
This is a major deal for Roman Catholics and it is something that evangelicals and others outside of Rome would do well to understand. I obviously have zero interest in Rome as an institution but I am very interested in my fellow Christians in communion with Rome. Check it out!