This morning I uninstalled my version WebStorm 2.1 without deleting my settings, and I reinstalled the 3.0.2.
At first run I found back all my settings. Great !
Later I wanted to use the contextual menu "Find Usage" feature, but it was grayed out.
When I tried to use it anyway a yellow message came at the bottom of the WebStorm window:
"Find Usages... action is not available while WebStorm is updating indices"
What are those indices, is it normal that hours later I'm still unable to use the feature ?