Good list. Not 100% agreed, but most if it I can get behind.

Additions:
5. This is planned afaik.
10. A great suggestion, I never thought of it, but it seems obvious once you think about it.
20. I agree areas should be be re-searchable, but it would need to be balanced somehow. If you could just spam Search, Perception would be useless. I was thinking once per long rest, but you can also spam long rests...