I believe that the latest firmware for the 7200SE is 3.16. These are the release notes for the 3.16 8000SE firmware. 5200SE v3.16 are the same.

Code
<?xml version="1.0" encoding="utf-8"?>
<package version="1.0">
	<mfu name="N8kSE_3_16.mfq">Combine code for DSP8000SE</mfu>
    <description>
        <h2>DSP8000SE Product Firmware Release 3.16 (2019-08-15)</h2>
        Combined controller and DSP code for DSP8000SE.
        <h3>New Features</h3>
        <ul>
            <li> Added displays and rendering for MQA Core material.</li>
        </ul>

        <h3>Software Fixes - Useful - May be useful to upgrade but not essential</h3>
        <ul>
            <li> None.</li>
        </ul>
    </description>
</package>

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