It's raining security patches all around. Samsung has just started pushing the latest security patch for the Galaxy C7 Pro in India, bringing the security level to May 1. This follows the update for Samsung's newest flagships, and also for existing flagships like the Galaxy S6 and S6 edge. For details on what the May security patch brings, check out this post.
The C7 Pro update is rolling out over the air as a 184 MB download, with the changelog mentioning the usual stuff about stability and performance improvements. You should see the update show up on your phone as it seems to have been available for a couple of days. If not, go into the Settings » Software update menu and hit the Download updates manually button. Notice anything new or different after the update? Leave us a comment below to let us know!
Update: The Galaxy A5 and Galaxy A7 (2017) are also getting the same update, sized at 174 MB.