@@ -84,7 +84,24 @@ a work-in-progress.</p>
when parsing a template.
</li>
</ul>
-<!-- <h4 id="libstdcxx">Runtime Library (libstdc++)</h4> -->
+<h4 id="libstdcxx">Runtime Library (libstdc++)</h4>
+
+<ul>
+ <li>Improved experimental support for C++26, including:
+ <ul>
+ <li><code>views::concat</code>.</li>
+ <li>Member <code>visit</code>.</li>
+ <li>Type-checking <code>std::format</code> args.</li>
+ </ul>
+ </li>
+ <li>Improved experimental support for C++23, including:
+ <ul>
+ <li>
+ Clarify handling of encodings in localized formatting of chrono types.
+ </li>
+ </ul>
+ </li>
+</ul>
<!-- <h3 id="d">D</h3> -->