I’m using ES6.0，and found some problems in Template variable。Is there any plan to support ES6.0， or make user can optimize queries in Template variables
As far as I know 6.0 should work with Grafana. Please see the following issue and respond to that and/or create a new issue reporting your problems.
I have respond to that issue
I found select the ES version to 5.x may correct, when add ES to datasource