···14141515### 🎉 New features
1616 - Add Postgres execution result store ([#171](https://github.com/roostorg/osprey/pull/171) by [@serendipty01](https://github.com/serendipty01))
1717+ - Add `StringSlice` UDF which extracts a substring by index range ([#189](https://github.com/roostorg/osprey/pull/189) by [@bealsbe](https://github.com/bealsbe))
17181819### 🐛 Bug fixes
1920