--- governance/extensions/GovernorVotesQuorumFraction.sol	2023-05-03 09:17:45.570033048 +0200
+++ governance/extensions/GovernorVotesQuorumFraction.sol	2023-05-04 15:18:42.664408414 +0200
@@ -61,6 +61,11 @@
         return _quorumNumeratorHistory.upperLookupRecent(SafeCast.toUint32(timepoint));
     }
 
+    // FV
+    function quorumNumeratorLength() public view returns (uint256) {
+        return _quorumNumeratorHistory._checkpoints.length;
+    }
+
     /**
      * @dev Returns the quorum denominator. Defaults to 100, but may be overridden.
      */