Blender 2.8 - Can't get weight painting to work as expected I'm trying to follow a weight rigging tutorial on YouTube, everything works fine until I get to weight painting. I'm trying to "draw" over parts of the model but I don't understand the results. Maybe I'm not in the right mode or something.

To add to that - the display looks funny. In the tutorial, when you switch to weight painting there's a gradient between hot red to cold blue to indicate the armature weight over the model.

Here's how it looks on my machine:


And here's hot it looks in the tutorial:


What am I doing wrong?
Thanks.
How I do it is. 


go into edit mode 
Select faces you want controlled
Select the shape key and assign the faces to it. 

A quick video