There are some awkward 'features' of the new manifest language syntax, a short list are:
The differences between directions and fates (i.e. whether to use a verb as a statement e.g. 'create' vs a description e.g. 'consumes')
Issues that should be resolved by Slandles (backticks, slot typing)
Declarations of recipes, schemas, particles and stores are a totally different format to handles and handle connections
The '?' fate doesn't match either the 'no-any' style (where not stating a fate would give it any fate) or the star style (where '*' represents any). In general that there are two styles is unhelpful.
(from b/145158983)
There are some awkward 'features' of the new manifest language syntax, a short list are: