Bug 55799 [Intro] When new welcome is available, don't show the old one
One of the M8 candidate builds (any): 1) Open Eclipse on a new workspace 2) Close the new Welcome when it opens 3) Close Eclipse 4) Open Eclipse again. Observe: the old Welcome editor is opened. Expectation: when a product has a valid Intro, old welcome should never be shown.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEWorkbenchAdvisor.java
private Set computeFeatureSet() {
		IPlatformConfiguration platformConfiguration = BootLoader.getCurrentPlatformConfiguration();
		IPlatformConfiguration.IFeatureEntry[] features = platformConfiguration.getConfiguredFeatureEntries();
		Set ids = new HashSet(features.length);
		for (int i = 0; i < features.length; i++) {
			IPlatformConfiguration.IFeatureEntry feature = features[i];
			
			String pluginId = feature.getFeaturePluginIdentifier();
			if (pluginId == null) {
				continue;
			}
			String id = feature.getFeatureIdentifier();
			String version = feature.getFeatureVersion();
			String normalizedVersion = "0.0.0"; 
			if (version != null) {
				
				PluginVersionIdentifier vid = new PluginVersionIdentifier(version);
				normalizedVersion = vid.toString();
			}
			String versionedId = id + ":" + normalizedVersion; 
			ids.add(versionedId);
		}
		return ids;
	}
	
	/**
	 * Returns the ordered set of versioned feature ids new for this session.
	 * 
	 * @return ordered set of versioned feature ids (element type: <code>String</code>)
	 */