https://www.gamespot.com/articles/new-overwatch-update-changes-mercy-on-pc-ps4-and-x/1100-6454164/

Apparently satisfied with the results of a recent Overwatch PTR patch, Blizzard has rolled out a new update for the live version of the game on all platforms. It makes adjustments to a few areas of Overwatch, but further balance adjustments to Mercy are the primary focus.