Database
db={"movies":[{"_id":{"$oid":"63f241012a9551202e909257"},"title":"Jumanji: Welcome To The Jungle","description":"...",/** ...*/"info":"[{\"year\": \"2017\", \"news\": \"...\" },{\"year\": \"2019\", \"news\": \"...\" }]",/** ...*/}]}
Query
db.movies.update({},[{"$set":{"info":{"$function":{"lang":"js","args":["$info"],"body":"function(infoStr) {return JSON.parse(infoStr)}"}}}}],{"multi":true})