Users have asked a few good questions about EPUB 3.0 support, like Which ereaders support the EPUB3 format?, Can EPUB 3.0 be viewed on EPUB 2 devices?, and a question about Epub reader limitations. I was wondering: is there a way to test what EPUB 3.0 features a given reader, app, or platform supports?

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There is; EPUBtest provides a detailed grid of supported features by reader, app, and platform, as well as an extensive test suite for conducting your own tests.

For example, as of January 31, 2014, Kindle for PC 1.10.6 on Windows 7 has very limited support:

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Note: I have no affiliation with EPUBtest; I just thought it was a handy tool.

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