We've listened to your request, and we've implemented - JRA-26866Getting issue details... STATUS . This allows JIRA administrators to edit some of the advanced settings in their JIRA Cloud instance, that were previously restricted to Atlassian Support. The image below list the JIRA keys that can now be edited by an instances JIRA administrator.
Giving JIRA administrators this increased flexibility to manage their instance has been a long requested feature, and we're happy to finally make it a reality, and close an issue with 23 votes. We're so excited to get this into the hands of our JIRA administrators we snuck it into JIRA 7.1.0-OD-02, and it's now ready for action!