Hunter talent · row 2 of Marksmanship, from level 15 (10 with Talented 5/5) · Physical

Careful Aim

Increases your Attack Power by 20/40/60/80/100% of your Intellect.

Game files · build 1.60.1.70245New in ForeverRead from the WoW Forever beta client, build 1.60.1.70245.

In Blizzard's notes

What Blizzard said about Careful Aim, each line checked against the files.

Matches the files
Careful Aim: (New talent.) Increases melee and ranged Attack power by 20/40/60/80/100% of the Hunter’s Intellect.
The files Careful Aim (1223984), Marksmanship row 2, has two effects that each turn 20/40/60/80/100% of Intellect (stat 3) into attack power; the tooltip says Attack Power without naming melee or ranged.
Careful Aim Class deep dives: Hunter and Druid
Matches the files
Mortal Shots: Now has pre-requisite of Careful Aim.
The files Mortal Shots (19485) requires Careful Aim in the 70245 tree; in Classic Era it required Lethal Shots (talent prerequisite).
Mortal Shots Careful Aim Class deep dives: Hunter and Druid

69876 Sep 16First beta build we archived. No changes in the client files since.