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By default the WBS Gantt is enabled by default, when it is accessed for the first time the current hierarchy in Timeline will be copied and assigned the Work-Breakdown-Structure (WBS) number accordingly. The changes afterward will be maintain in the WBS order and not synced with Jira Issue hierarchy TImeline. WBS Gantt can be disabled by Jira admin or the board admin.
WBS Gantt Menu
Menu
Search and Filter issue Search for specific issues and apply filters to narrow down the view.
Show Issues: Expand or Collapse issues on specific projects on the timeline
Sort By: Sort issues based on selected criteria: Issue key, Summary, Start date, End date, Fix versions, and Status.
Group By: Group issues by categories: Status, Assignee, Issue Type, Priority, Fix version, and Sprint.
Quick Filter: Apply filters to view specific issues based on JQL settings.
Save view : Save your customized views in the Timeline, enabling you to retain preferred layouts and settings for future use.
Import button Import tasks from CSV feed into specific projects in Jira