portant Deprecations
  <a class="anchor" href="#important-deprecations">#</a>
</h1>
<p>In preparation for the release of Flink 2.0 next year, the community has decided to officially deprecate multiple APIs
that were approaching end of life for a while.</p>
<ul>
<li><a href="https://github.com/apache/flink/blob/master/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/functions/source/SourceFunction.java"><code>SourceFunction</code></a>
is now officially deprecated and will be dropped in Flink