Troubleshooting issues with the malfunctioning Bootstrap dropdown tab

My dropdown used to switch between panes for the selected item in the dropdown by clicking on it, but after updating to the new bootstrap version (4.0.0-beta.2), it no longer responds and shows a 

tab.js:155 Uncaught TypeError: Cannot read property 'nodeName' of undefined
error.

JSFiddle

<div class="tab-pane fade show active" id="adventure" role="tabpanel" aria-labelledby="adventure-tab">
   <div class="card" style="">
      <div class="tab-content">
         <div class="tab-pane fade show active" id="large-clipper" aria-labelledby="large-clipper-tab">
            <div class="card-header">
               <div class="dropdown btn-group float-right">
                  <button class="btn btn-primary dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                  Variations
                  </button>
                  <div class="dropdown-menu" role="tablist" aria-labelledby="dropdownMenuButton">
                     <a class="dropdown-item nav-link" id="large-clipper-tab" href="#large-clipper" data-toggle="tab" role="tab" aria-controls="large-clipper" aria-selected="false">Large Clipper</a>
                     <a class="dropdown-item nav-link" id="festive-large-clipper-tab" href="#festive-large-clipper" data-toggle="tab" role="tab" aria-controls="festive-large-clipper" aria-selected="false">Festive Large Clipper</a>
                  </div>
               </div>
               <img src="http://eversong.ivyro.net/SHIP/00000024.png" height="50" width="50">
               <h4 style="display:inline-block">Large Clipper</h4>
            </div>
            <div class="card-body">
               <h6 class="text-muted">
                  Just a big and fast clipper.
               </h6>
               <p class=" p-y-1">
                  <span style="font-style:italic">Level requirements: </span>
                  <span>Adventure: 30 </span>
                  <span>Trade: 56 </span>
                  <span>Maritime: 75</span>
               </p>
               <div class="row">
                  <div class="col-md-6"><a class="btn btn-primary btn-lg btn-block my-1" href="">Selling: <span>5</span> </a></div>
                  <div class="col-md-6"><a class="btn btn-primary btn-lg btn-block my-1" href="">Buying: <span>10</span> </a></div>
               </div>
            </div>
         </div>
         <div class="tab-pane fade" id="festive-large-clipper"  role="tabpanel" aria-labelledby="large-clipper-tab">
            <div class="card-header">
               <div class="btn-group float-right">
                  <button class="btn btn-primary dropdown-toggle" id="variationsDropdown" type="button" aria-haspopup="true" aria-expanded="true" data-toggle="dropdown"> Variations </button>
                  <div class="dropdown-menu" aria-labelledby="variationsDropdown">
                     <a class="dropdown-item" href="#large-clipper" data-toggle="tab">Large Clipper</a>
                     <a class="dropdown-item" href="#festive-large-clipper" data-toggle="tab">Festive Large Clipper</a>                                             
                  </div>
               </div>
               <img src="http://eversong.ivyro.net/SHIP/00000024.png" height="50" width="50">
               <h4 style="display:inline-block">Festive Large Clipper</h4>
            </div>
            <div class="card-body">
               <h6 class="text-muted">
                  A large clipper but with fancy plating.
               </h6>
               <p class=" p-y-1">
                  <span style="font-style:italic">Level requirements: </span>
                  <span>Adventure: 30 </span>
                  <span>Trade: 56 </span>
                  <span>Maritime: 75</span>
               </p>
               <div class="row">
                  <div class="col-md-6"><a class="btn btn-primary btn-lg btn-block my-1" href="">Selling: <span>5</span> </a></div>
                  <div class="col-md-6"><a class="btn btn-primary btn-lg btn-block my-1" href="">Buying: <span>10</span> </a></div>
               </div>
            </div>
         </div>
      </div>
   </div>
</div>

Required files

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" type="text/javascript>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css" integrity="sha384-PsH8R72JQ3SOdhVi3uxftmaW6Vc51MKb0q5P2rRUpPvrszuE4W1povHYgTpBfshb" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.3/umd/popper.min.js" integrity="sha384-vFJXuSJphROIrBnz7yo7oB41mKfc8JzQZiCq4NCceLEaO4IHwicKwpJf9c9IpFgh" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js" integrity="sha384-alpBpkh1PFOepccYVYDB4do5UnbKysX5WZXm3XxPqe5iKTfUKjNkCk9SaVuEZflJ" crossorigin="anonymous"></script>
javascriptjqueryhtmlcsstwitter-bootstrap

Answer №1

A bug has been identified with tabs in the latest version of v4 beta 2. The developers are aware of this issue and have announced that it will be resolved in the upcoming beta 3 release. For more information, you can visit https://github.com/twbs/bootstrap/pull/23087

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