ton id="pst-version-switcher-button-2"
      type="button"
      class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle"
      data-bs-toggle="dropdown"
      aria-haspopup="listbox"
      aria-controls="pst-version-switcher-list-2"
      aria-label="Version switcher list"
    >
      Choose version  <!-- this text may get changed later by javascript -->
      <span class="caret"></span>
    </button>
    <div id="pst-version-switcher-list-2"
      class="version-switcher__menu dropdown-menu 