These are the changes of ARK: Survival Evolved’s Patch 195.1, grouped into categories for clarity. If not otherwise indicated, they’re quoted from the relevant Steam Thread.

Dino Changes

• Alpha predators no longer damage metal structures, only stone structures as intended.
• Can no longer pick up Alpha Raptors using flyers.
• Alpha predators now consume corpses properly.
• Alpha predators attacks no longer damage riders directly. (now is consistent with regular dino attacks)

(Original Announcement on Steam)

Here are the patchnotes of the previous patch (195.0)