All changes from the two beta versions preceding this event are included and the interface is updated. If you remember what the previous validator interface looks like, now you can compare it with the new one .
There are also a number of features.
Revised main UI. Cleaner design. Improved tabbing between validation methods. Adding toggled option visibility
Bug Fix: Fixing transcoding issues, encoding of source display
Bug Fix: For XML document types, not reporting xmlns: * attributes as an error
New feature: error context message
Bug Fix: Fixed fatal error display in SOAP API
Bug Fix: Fixed line number
Usability: more “usable fatal error displays, removed“ reset form "button, rewordings, error message explanations ...
Bug Fix: Fixed outline for non-xml document types
New Feature: Added support for XHTML + RDFa
If you’re trying to find out what you’re looking for
It is faster and more reliable
Improved interface for better usability
New feature: automatic cleanup of markup (with Tidy)
Validation of XML-based languages
Back by popular demand: document outline feature
Internet Media Type (MIME type)
New feature: for XML documents, checking that the xmlns is present, and properly set.
New feature: grouped messages
New feature: Direct Input validation can check full documents AND HTML fragments