Options Tree ‐ Spring expand

This is a sub-option of Single click expand and is effective only when the latter is enabled.
When this option is No, the old selection collapses only if the old and the new selection are in the same parent folder.
When this option is Yes, the above limitation is removed.

Example

No (Default)
Sub-folders of the new selection show up. There is no change in the old selection.

Yes
Sub-folders of the new selection show up. The old selection has collapsed.