What are some of the advantages of using XSLT and XPATH version 2.0 over their 1.0 predecessors? Any disadvantages?

Check the release notes/user guide.

There are no disadvantages except the number of implementations which currently support XSLT 2.0 and XPATH 2.0 is small with saxon being the best known.

Be a part of the DaniWeb community

We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.