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The default stylesheet has been enhanced
To maintain look and feel similar to the 4.2 Platform version include the stylesheet in the project and set as the default stylesheet. The 4.2 Nexaweb Platform style sheet is available in the compatibility repository (browse)
Networking APIs have changed
NetService has been broken into three separate interfaces to provide a cleaner means of integration and to support client only deployments. These three interfaces are RequestService, MessagingService and SynchronizationService.
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This in conjunction with the XUpdate change above will allow universal modification of Nexaweb's system state through the same mechanisms that allow for modification of user documents. The name of the UI Document is a constant in the DocumentRegistry class and is the same as the element name of the Document's root node: "nxml".