diff --git a/docs/release-notes-pxc-8.4.6.md b/docs/release-notes-pxc-8.4.6.md new file mode 100644 index 0000000..32b8c87 --- /dev/null +++ b/docs/release-notes-pxc-8.4.6.md @@ -0,0 +1,48 @@ +# Percona Distribution for MySQL 8.4.6 using Percona XtraDB Cluster (2025-09-) + +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](installing.md). + +This release is based on [Percona XtraDB Cluster 8.4.6-6](https://docs.percona.com/percona-xtradb-cluster/8.4/release-notes/8.4.6-6.html). + +## Release highlights + +### Percona XtraDB Cluster 8.4.6-6 + +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 8.4.6-6 + +Implements Link-Time Optimization (LTO) to generate more optimized release binaries, resulting in improved performance for specific workloads. + +### MySQL 8.4.6 + +Bug fixes introduced by Oracle for MySQL 8.4.6 and included in Percona Server for MySQL are the following: + +* Fixed an issue where rebuilding a primary key with duplicate entries could cause the server to stop unexpectedly. (Bug #37822992) + +* Fixed an issue related to dropping columns that were part of an index. (Bug #37726881) + +* Fixed an issue with indexing spatial datatype columns. (Bug #36682518) + +* Fixed an issue where creating a secondary index on a `VARCHAR` column could exceed configured memory limits, with the amount allocated being directly related to the `value of innodb_ddl_buffer_size`, leading to errors such as ERROR 1136 (21S01): Column count doesn't match value count at row 1. (Bug #37233273) + +Find the complete list of bug fixes and changes in the [MySQL 8.4.6 release notes](https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-6.html). + +## Build & packaging notes + +* The official packages were built with the `WITH_LTO=ON` flag to enable the Link-Time Optimization (LTO) feature. + +* This release adds support for Red Hat Enterprise Linux 10. + +## 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 | [8.4.0-4](https://docs.percona.com/percona-xtrabackup/8.4/release-notes/8.4.0-4.html)| An open-source hot backup utility for MySQL-based servers that doesn’t lock your database during the backup.| +| HAProxy | [2.8.14](https://git.haproxy.org/?p=haproxy-2.8.git;a=commit;h=a9aef56cb205d6d5e910530a87219900ccbd1b91) | A high-availability and load-balancing solution for Percona XtraDB Cluster. This is a default proxy.| +| ProxySQL | [2.7.3](https://docs.percona.com/proxysql/2.7.3.html)| A high performance, high-availability, protocol-aware proxy for MySQL. | +| Percona Toolkit | [3.7.0-2](https://docs.percona.com/percona-toolkit/release_notes.html#v3-7-0-2-released-2025-05-14) | The set of scripts to simplify and optimize database operation. | +| replication_manager.sh | [1.0](replication-manager-for-pxc.md) | A tool to manage multi-source replication between multiple Percona XtraDB Cluster clusters. | + diff --git a/docs/release-notes.md b/docs/release-notes.md index 8b2304d..88fd2af 100644 --- a/docs/release-notes.md +++ b/docs/release-notes.md @@ -18,6 +18,8 @@ ## Percona Distribution for MySQL using Percona XtraDB Cluster +* [Percona Distribution for MySQL 8.4.6 using Percona XtraDB Cluster (2025-09-)](release-notes-pxc-8.4.6.md) + * [Percona Distribution for MySQL 8.4.5 using Percona XtraDB Cluster (2025-07-14)](release-notes-pxc-8.4.5.md) * [Percona Distribution for MySQL 8.4.4 using Percona XtraDB Cluster (2025-04-16)](release-notes-pxc-8.4.4.md) diff --git a/docs/templates/pdf_cover_page.tpl b/docs/templates/pdf_cover_page.tpl index 332399b..927a902 100644 --- a/docs/templates/pdf_cover_page.tpl +++ b/docs/templates/pdf_cover_page.tpl @@ -7,5 +7,5 @@ {% if config.site_description %}