NOTE: This suggestion is for JIRA Cloud. Using JIRA Server? See the corresponding suggestion.
It appears when initially creating an issue in JIRA that you can create duplicate labels regardless of case sensitivity. For example, I can create three labels (test, TEST and TEst) and they will all show up as a listed label within the JIRA issue (see screenshot).
JRACLOUD-24907 labels should be case insensitive
- is related to
JRASERVER-45198 Duplicate Labels Regardless of Case Sensitivity