Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
The web inspector in Safari 9 seems to have added this new "blinking" thing which I find somewhat annoying although it can be useful. How can you turn it off and on? Here is what I mean.
This can be done in the Elements tab by disabling this little brush icon: