<h3 dir="auto">Version</h3>
<p dir="auto">2.5.14</p>
<h3 dir="auto">Reproduction link</h3>
<p dir="auto"><a href="https://jsfiddle.net/50wL7mdz/175425/" rel="nofollow">https://jsfiddle.net/50wL7mdz/175425/</a></p>
<h3 dir="auto">Steps to reproduce</h3>
<ol dir="auto">
<li>Including vue(v.2.5.14) and element.io styles and library.</li>
<li>Opening new form.</li>
<li>Opening new form element.</li>
<li>Using custom date picker element.</li>
</ol>
<h3 dir="auto">What is expected?</h3>
<p dir="auto">It is expected to render a custom UI component for date picking.</p>
<h3 dir="auto">What is actually happening?</h3>
<p dir="auto">The element is not being render as the console is filled with errors.</p>
<p dir="auto">[Vue warn]: Error in render: "RangeError: Maximum call stack size exceeded", vue.js:597<br>
RangeError: Maximum call stack size exceeded, vue.js:1745</p>
<hr>
<p dir="auto">The issue is related to the latest vue.js version as it is working as expected with all up to 2.5.13.</p>
<h3 dir="auto">Version</h3>
<p dir="auto">2.6.10</p>
<h3 dir="auto">Reproduction link</h3>
<p dir="auto"><a href="https://github.com/xiaowei9495/vue-watch-set-demo">https://github.com/xiaowei9495/vue-watch-set-demo</a></p>
<h3 dir="auto">Steps to reproduce</h3>
<p dir="auto">yarn -&gt; yarn serve -&gt; Home Page -&gt; add button</p>
<h3 dir="auto">What is expected?</h3>
<p dir="auto">watch Set</p>
<h3 dir="auto">What is actually happening?</h3>
<p dir="auto">No watch</p>