[v0.40.2](https://github.com/ash-project/ash_postgres/compare/v0.40.1...v0.40.2) (2021-07-02)
Bug Fixes:
* properly set aggregate query sources
* retain parent as bindings
* don't add `rel_source` at all
* properly build atoms list
* horribly hack ecto for dynamic bindings
* properly coalesce aggregate values
* always add nullability flag
* sort references only after other same-table ops
* generate multitenant foreign keys properly
Improvements:
* update to latest ash
* leverage new `private_vars` for errs