Blender 2.8 bevel broken Following this tutorial:

https://youtu.be/lZPedlX6CMw?t=813

when I try to bevel a circle I get: 



Why isn't bevel working only for the selected vertexes in the same direction? 

I tried merging by distance but the result is the same.
Some of the faces are flipped and the Bevel tool doesn't like it :).

You can recalculate them through Mesh > Normals > Recalculate Outside.
Or flip them manually through Mesh > Normals > Flip.