dropdown link issue

[pcodedviral]

in below code if i am use href="#" then it will work but if i will change to href="#!" it give consol error in my as well as bootstrap live site also

<div class="dropdown">
  <a class="btn btn-secondary dropdown-toggle" href="#!" role="button" id="dropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
    Dropdown link
  </a>

  <div class="dropdown-menu" aria-labelledby="dropdownMenuLink">
    <a class="dropdown-item" href="#">Action</a>
    <a class="dropdown-item" href="#">Another action</a>
    <a class="dropdown-item" href="#">Something else here</a>
  </div>
</div>

Same here, I'm hoping they fix this, as it's a closed issue here...
#27903

[Johann-S]

Fixed by: #27912

Will be available in our next release