<p></p>
<p dir="auto">I did some research.</p>
<p dir="auto">So, in doorkeeper, there is the <code class="notranslate">allow_blank_redirect_uri</code> config option, but I think this refers to allowing that the redirection url <em>for client registration</em> is allowed to be left unspecified:<br>
<a href="https://github.com/doorkeeper-gem/doorkeeper/wiki/Allow-blank-redirect-URI-for-Applications">https://github.com/doorkeeper-gem/doorkeeper/wiki/Allow-blank-redirect-URI-for-Applications</a></p>
<p dir="auto">So, I created a ticket in doorkeeper.<br>
<a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="2006432738" data-permission-text="Title is private" data-url="https://github.com/doorkeeper-gem/doorkeeper/issues/1678" data-hovercard-type="issue" data-hovercard-url="/doorkeeper-gem/doorkeeper/issues/1678/hovercard" href="https://github.com/doorkeeper-gem/doorkeeper/issues/1678">doorkeeper-gem/doorkeeper#1678</a></p>

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