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db.collection.aggregate([{"$match":{"id":"uniqueId","ver":0}},{"$lookup":{"from":"collection","localField":"id","foreignField":"id",let:{oldVer:"$ver"},pipeline:[{"$match":{$expr:{$ne:["$ver","$$oldVer"]}}},{$sort:{ver:-1}},{$limit:1}],"as":"newVersion"}},{"$unwind":"$newVersion"},{"$project":{old:{"$objectToArray":"$$ROOT"},new:{"$objectToArray":"$newVersion"}}},{"$project":{diff:{"$filter":{"input":{"$setDifference":["$old","$new"]},"as":"diffEntry","cond":{$not:{$in:["$$diffEntry.k",["newVersion","ver","_id"]]}}}}}}])