<p>One more data point wrt to maximum number of relation members, the other topic of this issue:</p>
<p>osm2pgsql has a limit of 32767 entries due to a data type limitations (see <a href="https://github.com/openstreetmap/osm2pgsql/issues/713" class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="213639140" data-permission-text="Issue title is private" data-url="https://github.com/openstreetmap/osm2pgsql/issues/713">openstreetmap/osm2pgsql#713</a>). Someone even mentioned relations with 77769 nodes there which in that particular case seems more like abusing relations as collections.</p>

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