A useful no
Something that will not go out is only half the message. The other half is which part, and what to do about it. That half was missing.
What's new
A refused post names the destination that refused it and the reason it gave
A caption that is too long says which platform it overflowed, and by how much
A field Native cannot accept is named, rather than described as an unspecified problem
Checks that run before publishing pass their own wording through instead of flattening it
