From cef1c5822a11893092e8c4e870c2253a84ff6ff5 Mon Sep 17 00:00:00 2001
From: Patrick Birch <48594400+patrickbirch@users.noreply.github.com>
Date: Tue, 9 Sep 2025 07:26:01 -0500
Subject: [PATCH] PXC 8.0.43-34 release announcement

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+---
+date: 2025-09-22
+description: >
+  Percona XtraDB Cluster 8.0.43-34 has been released on Monday, September 22, 2025.
+authors: [alina-derkach-oaza]
+categories:
+  - MySQL
+tags:
+  - Percona XtraDB Cluster
+---
+
+# Percona XtraDB Cluster 8.0.43-34 has been released
+
+<!-- more -->
+
+[Percona XtraDB Cluster 8.0.43-34](https://docs.percona.com/percona-xtradb-cluster/8.0/){:target="_blank"} has been released on Monday, September 22, 2025.
+
+Try it out using the [Quickstart guide](https://docs.percona.com/percona-xtradb-cluster/8.0/quickstart-overview.html){:target="_blank"}.
+
+Percona XtraDB Cluster 8.0.43-34 is based on Percona Server for MySQL and contains all improvements and bug fixes available in Percona Server for MySQL 8.0.43-34.
+
+### Percona XtraDB Cluster 8.0.43-34
+
+Improves State Snapshot Transfer (SST) failure diagnostics. `garbd` now uses distinct exit codes to differentiate between donor exit, SST script failure, and garbd-initiated termination, making SST issues easier to identify and debug.
+
+### Percona Server for MySQL 8.0.43-34
+
+* By implementing Link-Time Optimization (LTO), new release binaries are more optimized, leading to improved performance for specific workloads.
+
+* The default SST timeout is often too short, which can cause the process to abort before completion.
+
+* Creating a foreign key without sufficient privileges causes an inconsistency where the originating node fails with a `1216` error, while other nodes fail with a `1452` error during replication.
+
+### 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:
+
+* Improves the `audit_log_filter_set_user()` UDF to accept account names with wildcard characters (`'%'` and `'_'`) in the host part. For example, you can use `‘usr1@%'`, `‘usr2%192.168.0.%’`, or `'usr3@%.mycorp.com'`.
+
+* The `audit_log_filter_set_user()` UDF now accepts wildcards in the host part of account names, allowing for more flexible user filtering.
+
+* The KMPI library has been updated with a new C++ level to enhance its error-handling capabilities.
+
+* A fix was implemented to restore the optimizer's correct handling of constant tables, resolving a bug that could lead to suboptimal range scan performance.
+
+Learn more in Percona XtraDB Cluster 8.0.43-34 [release notes](https://docs.percona.com/percona-xtradb-cluster/8.0/release-notes/8.0.43-34.html){:target="_blank"}.
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