<ul>
<li>Old way:</li>
</ul>
<pre><code>List&lt;int&gt; oldList = [1, 2, if (value != null) value!];
</code></pre>
<ul>
<li>New way:</li>
</ul>
<pre><code>List&lt;int&gt; newList = [1, 2, ?value];
</code></pre>
Source: <a href="https://github.com/dart-lang/language/blob/main/accepted/future-releases/0323-null-aware-elements/feature-specification.md" target="_blank" rel="noopener nofollow">https://github.com/dart-lang/language/blob/main/accepted/future-releases/0323-null-aware-elements/feature-specification.md</a>

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Dart introduces null-aware elements, allowing for more concise and readable list definitions. Instead of explicitly checking for null values, the new syntax `List<int> newList = [1, 2, ?value];` simplifies the process.

Null-aware elements are coming to Dart.