# Version 8.1.1

Version 8.1.1 is a maintenance release: its main purpose is to clear a couple of significant bugs that were found to be present in 8.1.

In addition, the Saxon-SA version of the product also includes a redesigned front-end for the schema processor, designed to improve the way checking of XML representation constraints is done.

The changes in version 8.1.1 are listed under the following headings:

- Defects cleared

- Changes in XML Schema support

- JAXP Application Programming Interface

- Changes in Functions and Operators

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