TL;DR
Reading recipe ingredients on crafting machines is great, but it's only one of several pieces of recipe information. I'd also like access to crafting time and number of products for each recipe.

What?
With 2.0, crafting machines are now able to send their recipe ingredients to the circuit ...

I've just observed this same behaviour, also while trying to connect distant asteroid collectors and using a wall as an intermediate wire connector.

I don't mind this being intended behaviour either, but it introduces a number of inconsistencies. A blueprint with wired walls can be constructed ...