Percona Distribution for MySQL 8.0.43 using Percona XtraDB Cluster (2025-09-22)¶

Percona Distribution for MySQL is more than just a version of MySQL; it is a comprehensive solution that combines Percona Server for MySQL with additional tools to create a cohesive environment. This distribution is reliable, scalable, and secure, ensuring that all components have been tested to work seamlessly together. You can choose from two download options: one that uses Percona Server for MySQL and another that utilizes Percona XtraDB Cluster. Refer to Install Percona Distribution for MySQL.

This release is focused on the Percona XtraDB Cluster-based deployment variation. It is based on Percona XtraDB Cluster 8.0.43-34.

Release highlights¶

Percona XtraDB Cluster is based on Percona Server for MySQL. Find a complete list of improvements and bug fixes in the Percona Server for MySQL 8.0.43-34 (2025-08-28) release notes.

Percona XtraDB Cluster 8.0.43-34¶

Improves State Snapshot Transfer (SST) by retrying Incremental State Transfer (IST) when initial SST attempts fail before any data changes, preventing unnecessary full data transfers.

Percona Server for MySQL 8.0.43-34¶

Implements Link-Time Optimization (LTO) to generate more optimized release binaries, resulting in improved performance for specific workloads.

MySQL 8.0.43¶

Improvements and bug fixes provided by Oracle for MySQL 8.0.43 and included in Percona Server for MySQL are the following:

Fixed an issue where CHECK TABLE sometimes incorrectly reported that spatial indexes were corrupted. (Bug #37286473)
Fixed an issue in InnoDB redo log recovery to improve data safety after a crash. (Bug #37061960)
Fixed an issue where reading index_id values could lead to incorrect behavior with indexes. (Bug #36993445, Bug #37709706)
Fixed a bug related to the lower_case_table_names setting that caused inconsistent behavior with table names on different systems. (Bug #32288105)
Fixed a bug where mysqldump did not properly escape certain special characters in its output. (Bug #37540722, Bug #37709163)
The fprintf_string() function in mysqldump did not use the correct quote character for escaping strings. (Bug #37607195)

Find the complete list of bug fixes and changes in the MySQL 8.0.43 Release Notes.

Build & packaging notes¶

The official packages were built with the WITH_LTO=ON flag to enable the Link-Time Optimization (LTO) feature.

Supplied components¶

Review each component’s release notes for What’s new, improvements, or bug fixes. The following is a list of the components supplied with the Percona XtraDB Cluster-based variation of the Percona Distribution for MySQL:

Component	Version	Description
Percona XtraBackup	8.0.35-34	An open-source hot backup utility for MySQL-based servers that doesn’t lock your database during the backup.
HAProxy	2.8.15	A high-availability and load-balancing solution for Percona XtraDB Cluster. This is a default proxy.
ProxySQL	2.7.3	A high performance, high-availability, protocol-aware proxy for MySQL.
Percona Toolkit	3.7.0-2	The set of scripts to simplify and optimize database operation.
relication_manager.sh	1.0	A tool to manage multi-source replication between multiple Percona XtraDB Cluster clusters.