We are using ElasticPress "3.5.x", while latest is "4.5.x". This would require some investigation to check any breaking changes but also take advantage of new improvements.

Tasks

• Check the upstream Changelog for breaking or notable changes
• Test new version and update base composer file
• Test along with WPML
• Fix any breaking changes so that the plugin works with our current code/setup
• Open new tickets if needed for any enhancements we can do based on new features