Q: When did “Yahweh I know you are near” change to “O Lord I know you are near”? Why the change? I noticed it at a school Mass yesterday.
A: It happened on June 29, 2008. Here’s the letter from the Vatican’s Congregation for Divine Worship and the Discipline of the Sacraments: http://www.usccb.
org/prayer-and-worship/the- mass/frequently-asked- questions/upload/name-of-god. pdf. See the first directive near the end.