v1.48.0-rc.18
[v1.48.0-rc.18](https://github.com/ash-project/ash/compare/v1.48.0-rc.17...v1.48.0-rc.18) (2021-10-20) Improvements: * add `get_by` and `get_by_identity` to code interface * compile time validations for managed relationships
[v1.48.0-rc.18](https://github.com/ash-project/ash/compare/v1.48.0-rc.17...v1.48.0-rc.18) (2021-10-20) Improvements: * add `get_by` and `get_by_identity` to code interface * compile time validations for managed relationships