Hover dropdown triangle does not appear in Xcode 10

When I click a variable in Xcode 10 editor and hover the mouse over it, it does not show me the dropdown triangle like this:

The triangle allows to choose options on that variable like "Edit all in Scope" etc.

Did I set something in Xcode that disabled those inference cues?

Thanks for your help.

Solution

That arrow is no longer available in Xcode 10. To achieve the same functionality, CMD+click on a variable/function/etc., which will bring up this popup menu: