On Beta, there's an exception when opening any dialog/inspector in VE. The window doesn't open.
In particular, this prevents saving changes.
Uncaught TypeError: surface.getSelectionDirectionality is not a function
at VeUiWindowAction.ve.ui.WindowAction.open
at VeUiMWSurface.ve.ui.Surface.execute
at VeUiMWLinkAction.ve.ui.MWLinkAction.open
at VeUiMWSurface.ve.ui.Surface.execute
at VeUiCommand.ve.ui.Command.execute
at VeUiLinkContextItem.ve.ui.LinearContextItem.onEditButtonClick
at OoUiButtonWidget.oo.EventEmitter.emit
at OoUiButtonWidget.OO.ui.mixin.ButtonElement.onClick
at HTMLAnchorElement.dispatch
at HTMLAnchorElement.elemData.handle