Yup.

Click on any user’s name or handle to get to their profile page. Let’s pick on Jay, shall we?

Now, you’re thinking. Ew. What’s with that nose? I want to block this dude.

See the little gear that they’ve slowly made such a light grey that it disappears into the background and appears like it is shaded out and not usable?

Yup.

That’s how you block. Click it and two options will appear at the bottom of the screen.

In this case, I hit Cancel ’cause Jay is a good guy.