|Jira Agile 6.3
After upgrading to JIRA Agile 6.4 or later, the Rank field displays strange characters mixed with numbers, such as the example below:
This is the expected behavior. In Agile 6.4 or later, the ranking system has been changed to support cluster-safe rank operations on JIRA Data Center.
The new rank system (often called 'LexoRank') consists of alphanumeric characters and is stored in a lexicographical order to determine the order of the issues.
For more information about the changes in the rank field during the JIRA Agile upgrade, please refer to the JIRA Agile 6.4 Upgrade Notes.
If the ranking system is not working as expected (e.g. ranking issues on the board fail, or displays errors), please refer to the document below instead: