**[Christoph Strobl](https://jira.spring.io/secure/ViewProfile.jspa?name=cstrobl)** opened **[DATAMONGO-1548](https://jira.spring.io/browse/DATAMONGO-1548?redirect=false)** and commented like `$indexOfArray, $reverseArray, $reduce,...` --- **Referenced from:** pull request https://github.com/spring-projects/spring-data-mongodb/pull/423 **Backported to:** [1.10 RC1 (Ingalls)](https://github.com/spring-projects/spring-data-mongodb/milestone/73?closed=1)