ese platforms will upgrade their workflow for EPUB 3.3.
                        </p>

                        <p>
                          EPUBCheck has its own <a href="https://github.com/w3c/epubcheck/tree/w3c/epub-33-cr-report/src/test/resources">test suite</a>; the exit criteria for testing categories 2 and 3 features is therefore formulated by requiring that each relevant <em style="font-variant: small-caps;">must</em> statement in <a href="https://www.w3.org/TR/epub-33/">EPUB 3.3</a> is covered by 