AlexI did finalize rev2.2. Because I'm nearly out of boards. I think I will also order this board soon. Main improvements over rev2.0:
- header for external serial adapter
- power rails
- optional compatible to the node-mcu boards
- mini or micro USB 
As soon as I ordered the boards you will also find the gerber files in the bitbucket. This time I will try some Chinese manufacturer outside of dirtypcbs. An the board will be green (like in the render).
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