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PATH  WebObjects 4.0 Documentation > What's New in WebObjects 4.0

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Improved Nested Component Support

In WebObjects 4.0, support for nested, reusable components has been improved in these ways:

• Template parsing improvements make HTML generation for components faster. Thus, you'll see only a small performance loss by using a component instead of a dynamic element.

• You can now create a nested component that serves as an HTML container element, one that wraps other HTML and text inside of it (similar to the way a WORepetition wraps other HTML elements).

• You can turn off component synchronization, in which values are pulled from the parent component and pushed to the parent component before and after each phase of the request-response loop, and perform synchronization manually. When you perform synchronization manually, components are more predictable and behave more like dynamic elements.

• It's now easier to use components to mimic and customize the behavior of dynamic elements. Because of the performance improvements and the ability to define non-synchronized components, you shouldn't find it necessary to have to write a subclass of WODynamicElement.

• WOComponent now has a parent method that returns the receiver's parent WOComponent.

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