The documentation now has an Alphabetical index.
At the time of writing, W3C has published draft specifications under the titles XQuery 1.1, XPath 2.1, and XSLT 2.1. However, W3C has also announced its intent to change the numbering, so that the final specifications will be XQuery 3.0, XPath 3.0, and XSLT 3.0. Saxon 9.3 anticipates this change by using the version number 3.0 to refer to the new set of draft specifications.
The interfaces defining callbacks that advanced applications may use to customize Saxon's behaviour were previously
scattered around the various packages, some quite difficult to find. Most of them have been moved into a new package
net.sf.saxon.lib. This package also contains default implementations of these interfaces, and classes
defining constants for use in Saxon's various configuration APIs.
The current state of implementation of all standard functions is now documented here.