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title: Release notes for Azure Database for MySQL Flexible Server - February 2024
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description: Learn about the release notes for Azure Database for MySQL Flexible Server February 2024.
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author: xboxeer
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ms.author: yuzheng1
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ms.date: 02/09/2024
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ms.service: mysql
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ms.subservice: flexible-server
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ms.topic: conceptual
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---
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# Azure Database For MySQL Flexible Server February 2024 Maintenance
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We're pleased to announce the February 2024 maintenance for Azure Database for MySQL Flexible Server. This maintenance mainly focuses on known issue fix, underlying OS upgrading and vulnerability patching.
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## Engine version changes
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There will be no engine version changes in this maintenance update.
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## Features
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There will be no new features in this maintenance update.
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## Improvement
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There will be no new improvement in this maintenance update.
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## Known Issues Fix
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- Fix HA standby replication dead lock issue caused by slave_preserve_commit_order.
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- Fix promotion stuck issue when source server is unavailable or source region is down. Improve customer experience on replica promotion to better support disaster recovery.
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- Fix the default value of character_set_server & collation_server.
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- Allow customer to start InnoDB buffer pool dump.
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