Wednesday morning, Mormon forums—er, make that, forums in which members of The Church of Jesus Christ of Latter-day Saints participate—began buzzing with rumors of changes to the temple ceremony.

For much of its history, The Church of Jesus Christ of Latter-day Saints was a faith centered around meetinghouses, which were a buzz of activity throughout the week. That is far less the case today.

If there is a constant in the history of Latter-day Saint temple worship, it is change. Language used, covenants made, clothing worn and meaning ascribed to all of it — each has evolved since the ...