Bug 57454 "show intro" preference not saved until shutdown
M8 As a general rule of thumb, if a plug-in changes a preference value then it should save it immediately. (or when the user hits OK/Apply in the prefs page, etc etc) When you start M8 and close the Intro page, I noticed that the ui.ide preferences are not saved until the workbench is shutdown.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEWorkbenchAdvisor.java
exceptionHandler = new IDEExceptionHandler(configurer);
		
		
		WorkbenchAdapterBuilder.registerAdapters();
		
		
		ResourcesPlugin.getWorkspace().addResourceChangeListener(
			getShowTasksChangeListener(),
			IResourceChangeEvent.POST_CHANGE);
		
		String[] cmdLineArgs = Platform.getCommandLineArgs();
		 
		
		for (int i = 0; i < cmdLineArgs.length; i++) {
			if ("-showlocation".equalsIgnoreCase(cmdLineArgs[i])) { 
				workspaceLocation = Platform.getLocation().toOSString();
				break;
			}
		}
		
		declareWorkbenchImages();
		
		
		activityHelper = IDEWorkbenchActivityHelper.getInstance();
	}
	/* (non-Javadoc)
	 * @see org.eclipse.ui.application.WorkbenchAdvisor#preStartup()
	 */
	public void preStartup() {