<div style="display: flex; flex-wrap: wrap; white-space: pre-wrap; align-items: center; "><img height="20" width="20" style="border-radius:50%; margin-right: 4px;" decoding="async" src="https://avatars.githubusercontent.com/u/5842757?s=20&v=4" /><strong>mmd-osm</strong> left a comment <a href="https://github.com/openstreetmap/openstreetmap-website/issues/6073#issuecomment-2927614300">(openstreetmap/openstreetmap-website#6073)</a></div>
<p dir="auto">The issue is that JOSM requires the /.well-known/oauth-authorization-server endpoint to be around, and for some reason Doorkeeper disables this endpoint unless you define a doorkeeper_signing_key. That's mostly in place so that JOSM can more easily discover various OAuth2 endpoints, since they would be advertised by the oauth-authorization-server endpoint.</p>

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