Yoann Rodière ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *created* an issue Hibernate Search ( https://hibernate.atlassian.net/browse/HSEARCH?atlOrigin=eyJpIjoiMTUyOTg4... ) / Remove Feature ( https://hibernate.atlassian.net/browse/HSEARCH-4868?atlOrigin=eyJpIjoiMTU... ) HSEARCH-4868 ( https://hibernate.atlassian.net/browse/HSEARCH-4868?atlOrigin=eyJpIjoiMTU... ) Drop compatibility with Elasticsearch 5.x/6.x ( https://hibernate.atlassian.net/browse/HSEARCH-4868?atlOrigin=eyJpIjoiMTU... ) Issue Type: Remove Feature Assignee: Unassigned Components: backend-elasticsearch Created: 08/Jun/2023 01:50 AM Fix Versions: 7.0-backlog Priority: Major Reporter: Yoann Rodière ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) Because: * Elastic stopped supporting Elasticsearch 6.x more than a year ago, on Feb 10, 2022 ( source ( https://endoflife.date/elasticsearch ) ) * It’s been so long since Elasticsearch 5.x stopped being supported that I can’t even find the date * People wanting to stick to older Elasticsearch versions can stick to older Hibernate Search versions (Hibernate Search 6.2) * Testing many versions of Elasticsearch has a cost: both financially (AWS EC2 costs) and operationally (builds take much longer) We’ll need to: * Adapt the dialect factory and tests * Remove now-unnecessary dialects and the resulting dead code, e.g. Elasticsearch56WorkFactory or org.hibernate.search.backend.elasticsearch.work.impl.SearchWork.Builder#forElasticsearch62AndBelow * Remove now-unnecessary testing conditions (e.g. org.hibernate.search.util.impl.integrationtest.backend.elasticsearch.dialect.ElasticsearchTestDialect#isEmptyMappingPossible or org.hibernate.search.integrationtest.backend.elasticsearch.testsupport.util.ElasticsearchTckBackendFeatures#geoPointIndexNullAs ) * Remove mentions of older versions in the documentation * Remove Elasticsearch 5.x/6.x environments from our Jenkinsfiles ( https://hibernate.atlassian.net/browse/HSEARCH-4868#add-comment?atlOrigin... ) Add Comment ( https://hibernate.atlassian.net/browse/HSEARCH-4868#add-comment?atlOrigin... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100226- sha1:b8bf2ee )