select2/docs/_includes/nav/announcements-4.0.html

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      <a href="#select2-400">Select2 4.0.0</a>
      <ul class="nav">
        <li><a href="#new-features">New features</a></li>
        <li><a href="#plugin-system">Plugin system</a></li>
        <li><a href="#amd-based-build-system">AMD-based build system</a></li>
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    <li>
      <a href="#migrating-from-select2-35">Migrating from Select2 3.5</a>
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        <li><a href="#hidden-input">No more hidden input tags</a></li>
        <li><a href="#new-matcher">Advanced matching of searches</a></li>
        <li><a href="#flexible-placeholders">More flexible placeholders</a></li>
        <li><a href="#value-ordering">Display reflects the actual order of the values</a></li>
        <li><a href="#changed-options">Changed method and option names</a></li>
        <li><a href="#removed-methods">Deprecated and removed methods</a></li>
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