Forgive me if some discussion has taken place on the dev ml to say it's OK; I'm way behind on reading it.
The postgresql10 package appears to have been created based on Fedora's package instead of ours. Unless we've decided to switch to their packaging model, the package should be removed so a new attempt can be made to package it correctly.
And since we dont have had 10 in any stable release, maybe we should just skip it and package the brand new 11 instead :)
Agreed, we only want to ship the newest branch, and the newest that the previous stable release had (9.6) for transition purposes.
We need to package 11.1: