nixpkgs/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml

<section xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="release-21.11">
  <title>Release 21.11 (<quote>?</quote>, 2021.11/??)</title>
  <para>
    In addition to numerous new and upgraded packages, this release has
    the following highlights:
  </para>
  <itemizedlist spacing="compact">
    <listitem>
      <para>
        Support is planned until the end of April 2022, handing over to
        22.05.
      </para>
    </listitem>
  </itemizedlist>
  <section xml:id="backward-incompatibilities">
    <title>Backward incompatibilities</title>
    <itemizedlist spacing="compact">
      <listitem>
        <para>
          The <literal>staticjinja</literal> package has been upgraded
          from 1.0.4 to 2.0.0
        </para>
      </listitem>
    </itemizedlist>
  </section>
</section>