Anyone give me a better explanation of the differences between these two joins node types? Per the documentation<br><br><i><a id="d0e351">XOR means that it continues if one of its incoming branches has been completed.
             <br><br></a></i><a id="d0e351"><i>Discriminator means that it continues if one of its incoming branches has been completed.
             </i><br><br>Reading this, they seem to be the same thing.<br><br>thanks<br></a>