Why do you need Release Management app?
Typical use cases
Quickstart: Create your first release board
"Releases" is added to Jira main menu once the app has been Release management item will appear in the main menu, after Release management app is installed.
Go to "Releases" → "View all boardsRelease Management" to view all available Release Boards and to create a new one.
a simple workflow which can be customized by a board administrator in the board settings.
By default, all unreleased versions are added to default unreleased column and released versions are added to default released column.