/P2071R2">P2071R2</a></td>
      <td class="full" align="center">Clang 15</td>
    </tr>
    <tr>
      <td>Relaxing some constexpr restrictions</td>
      <td><a href="https://wg21.link/P2448R2">P2448R2</a></td>
      <td class="full" align="center">Clang 19</td>
    </tr>
    <tr>
      <td>Using unknown pointers and references in constant expressions</td>
      <td><a href="https://wg21.link/P2280R4">P2280R4</a> (<a href="#dr">DR</a>)</td>
      <td class="full" align="center">Clang 20</td>
    </tr>
   