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WBS Gantt-Chart ⇒ Choose Gantt Configure.
Click Edit of Versions.
Edit the Version limitation.
Toggle to on/off version feature.
Check which kind of version will be shown on Gantt
Unreleased
Released
Archived
Check to hide the empty versions or not
Choose the version manual schedule mode option
Yes: Manually schedule the start and release dates of version
No: Automatically adjust the start and release dates of version based on the schedule of its child items
Click Update
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