Following are the known limitations in Kibana.
Exporting a data table or saved search from a dashboard or visualization report has known limitations. The PDF report only includes the data visible on the screen.
Kibana cannot perform aggregations across fields that contain nested objects. It also cannot search on nested objects when Lucene Query Syntax is used in the query bar.
copy_to as a workaround is not supported and may stop functioning in future releases.
Graph has limited support for multiple indices. Go to Graph limitations for details.
These Elastic Stack features have limitations that affect Kibana: