Add minimum version requirement.

Author: dkocher

cyberduck/info.md

@@ -36,6 +36,10 @@ Calculate the size recursively of all contained files.
 
 ## Versions
 
+```{important}
+Cyberduck [8.4](https://cyberduck.io/changelog/) or later required
+```
+
 A list of file versions can be viewed in the *Versions* tab of the Info window. The following actions are available for a selected previous version:
 - Revert version
 - Permanently delete version