I guess I’ll mark this is a discussion, in case any one is not tired of this topic, our (I would say fairly objective and comprehensive) summary of it:

https://www.skynettoday.com/briefs/openai-rubiks-cube

Would welcome feedback! The hope is that people without much knowledge of AI (but enough interest to read an article of this length) could stumble upon it and gain some clarity about the significance of OpenAI’s latest research.