2023-01-11-improve-statemachinehistory-query-performance.md

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---
title: Improve StateMachineHistory query performance
issue: NEXT-18904
author: Michel Bade
author_email: [email protected]
author_github: @cyl3x
---

Core

• Deprecated entity_id column in favour for the new referenced_id and referenced_version_id columns for v6.6.0.0
• Added referenced_id and referenced_version_id columns generated from entity_id to state_machine_history