[hibernate-dev] Jackson vs Gson

I'm wondering why the Elasticsearch client for Hibernate Search is using Gson, and not Jackson as JSON codec? Especially as we already have Jackson as a dependency for both Search (via Avro), OGM (via Couchbase), and it's also used within WildFly and Camel, we might need to change this. Sorry if I forgot the reasons, I vaguely remember this came up but I couldn't find it on the list. Thanks, Sanne