Bug 308577 e4 applications don't get focus
Upon startup, e4 based applications (including the 4.0 SDK) don't receive focus. Bogdan mentioned that this has to do something with the splash screen.
bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/workbench/ui/renderers/swt/WBWRenderer.java
public void handleEvent(Event event) {
				if (ignoreSizeChanges)
					return;
				
				Object objElement = event
						.getProperty(UIEvents.EventTags.ELEMENT);
				if (!(objElement instanceof MWindow)) {
					return;
				}
				
				MWindow windowModel = (MWindow) objElement;
				if (windowModel.getRenderer() != WBWRenderer.this) {
					return;
				}
				
				Shell theShell = (Shell) windowModel.getWidget();
				if (theShell == null) {
					return;
				}
				String attName = (String) event
						.getProperty(UIEvents.EventTags.ATTNAME);
				if (UIEvents.Window.X.equals(attName)
						|| UIEvents.Window.Y.equals(attName)
						|| UIEvents.Window.WIDTH.equals(attName)
						|| UIEvents.Window.HEIGHT.equals(attName)) {
					if (boundsJob == null) {
						boundsJob = new WindowSizeUpdateJob();
						boundsJob.windowsToUpdate.add(windowModel);
						theShell.getDisplay().asyncExec(boundsJob);
					} else {