Elasticsearch version compatibility

Which versions of Elasticsearch are compatible with Temporal?
I have a project where ES version 7.2 will need to be deployed for another service, and I am wondering if I could share this with Temporal.

EOL Note: Elasticsearch version 6.8.X (used by Temporal) has an end-of-life date of November 20th 2020, according to https://www.elastic.co/support/eol.

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We have only briefly discussed upgrading to a new version internally. We are not yet sure whether the breaking changes in Elasticsearch 7.x are going to require serious rewiring from our side. I will make sure that we discuss this sometime soon.

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