Bug 176436 Charts Imported from Libraries do not update when libraries change
During a live presentation of BIRT at EclipseCon, we came across a rather embarassing issue. When charts are included in a library, and imported into a report design from a library, any changes to the library instance of the chart do not reflect in the report itself.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/extension/PeerExtensibilityProvider.java
return props;
	}
	/**
	 * Returns the methods defined on the element. Not only the method on the
	 * extension element definition but also include those defined inside the
	 * extension model.
	 * 
	 * @return the method list
	 */
	public List getModelMethodDefns( )
	{
		List methods = new ArrayList( );
		PeerExtensionElementDefn extDefn = (PeerExtensionElementDefn) getExtDefn( );
		if ( extDefn == null )
			return null;
		if ( extDefn.getMethods( ) != null )
			methods.addAll( extDefn.getMethods( ) );
		if ( reportItem == null )
			return null;
		IPropertyDefinition[] dynamicMethods = reportItem.getMethods( );
		if ( dynamicMethods != null )
		{
			for ( int i = 0; i < dynamicMethods.length; i++ )
			{
				IPropertyDefinition extProp = dynamicMethods[i];
				MethodInfo methodInfo = (MethodInfo) extProp.getMethodInfo( );
				ExtensionModelPropertyDefn modelPropDefn = new ExtensionModelPropertyDefn( extProp,
						extDefn.getReportItemFactory( ).getMessages( ) );
				modelPropDefn.setDetails( methodInfo );
				methods.add( modelPropDefn );