detailed in <a href="/issue/61716">proposal #61716</a>. The most important changes are:
</p>

<ul>
<li>The <code>Read</code> method, deprecated in <code>math/rand</code>,
was not carried forward for <code>math/rand/v2</code>.
(It remains available in <code>math/rand</code>.)
The vast majority of calls to <code>Read</code> should use

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