https://www.gamespot.com/articles/new-overwatch-update-changes-a-few-heroes-heres-th/1100-6461698/

A new update for Overwatch introduces several changes to four of the game's heroes, as well as bug fixes and a new map. The update rebalances Ana, Brigitte, Reinhardt, and Widowmaker in response to previous Overwatch updates and hero additions.

For Ana, the update increases the level of precision when determining the sensitivity of her rifle's movements while zoomed. To make her match her counterparts, Brigitte now gets knocked down when shield bashing Doomfist's Rocket Punch or Reinhardt's Charge. Previously, only Doomfist and Reinhard would be stunned which would allow Brigitte to get in extra hits before either hero could recover.