How to track newer C++ std documents of given topic? : <p>Following is a C++ std document. The document number is N3721, which superseded the older N3634.</p>

<p><a href="https://i.stack.imgur.com/ibZ8X.png" rel="noreferrer"><img src="https://i.stack.imgur.com/ibZ8X.png" alt="enter image description here"></a></p>

<p>Obviously, it's easy to track older documents of given topic.</p>

<p>However, my question is:</p>

<p><strong>How to track newer documents of given topic?</strong> </p>

<p>For example, if N3721 is superseded by a newer document, how to track the newer one?</p>
