This Bugzilla instance is a read-only archive of historic NetBeans bug reports. To report a bug in NetBeans please follow the project's instructions for reporting issues.
Not sure where wait cursor should be set - if in undo action or in respective TC on which action is invoked. Undo can take more time eg. when big java file is formatted using Format action and then Undo is invoked.
Editor's Redo/Undo actions are implemented in org.netbeans.editor.ActionFactory => reassign to editor
Bug prior to 7.0, not touched for the last 2 years --> P4.
I think it is ok like this. Closing as invalid.