I’m looking forward to this twitch stream.
Blender is the one and only modelling tool for all of us hobby game designers and starters. 
Here are some of my questions for the stream:
- What are standard settings which you can recommend in Blender for some great workflow and import/export?
- Are there specific features which you can recommend in Blender and are there features which are not supported by UE4 and which should not be used?
- Are there best practices in terms of polygon count / texture sizes and so on?
- Are there further plans to support Blender with plugins / import & export tools or something similar?