Put the summary of the bug you're having here

What I expected to happen was...:
Using MacBook Pro. Prior to recent update, holding control and clicking would set a new block.

What actually happened was...:
It breaks blocks instead of setting a new one.

Steps to Reproduce:
1. Place + where you want to set a new block
2. Hold "control" and click the mouse
3. It breaks the block that was highlighted.

Restarting computer, resetting controls, or even changing the toggle function from "control" to another key has not worked.