Replication Backward Compatibility
Topics in the backward compatibility section describe changes in behavior between versions of Microsoft SQL Server replication. It is important to understand backward compatibility if you are upgrading or if you have more than one version of SQL Server in a replication topology.
Deprecated Features in SQL Server Replication
Replication features that have been retained in Microsoft SQL Server 2008 for backward compatibility, but which will be removed in a future version of SQL Server.Discontinued Functionality in SQL Server Replication
Replication features that existed in earlier versions but were removed in SQL Server 2005. No features have been removed in SQL Server 2008.Behavior Changes in SQL Server Replication
Replication features that have changed in SQL Server 2008.Breaking Changes in SQL Server Replication
Replication feature changes that might require changes to applications.Using Multiple Versions of SQL Server in a Replication Topology
Considerations for using more than one version of SQL Server in a replication topology.