This topic describes the release notes for ApsaraDB RDS and provides links to the relevant references.

Release notes for minor engine versions

May 2022

Database engine Category Feature Description Release date References
MySQL, PostgreSQL, and SQL Server New feature Performance center The performance center feature is supported. On the Performance Center page of the ApsaraDB RDS console, you can use the inspection and scoring feature and the monitoring dashboard feature.
  • The inspection and scoring feature is available only for ApsaraDB RDS for MySQL instances.
  • The monitoring dashboard feature is available for RDS instances that run MySQL, PostgreSQL, and SQL Server.
Note ApsaraDB RDS supports the performance center feature from May 20, 2022.
05-20
PostgreSQL New feature Babelfish Babelfish can be enabled when you create an ApsaraDB RDS for PostgreSQL instance. After you enable Babelfish for your ApsaraDB RDS for PostgreSQL instance, you can use the RDS instance to parse and execute SQL Server T-SQL statements. 05-17 Introduction to Babelfish
MySQL, PostgreSQL, SQL Server, and MariaDB TX New feature Enterprise-level console The enterprise-level ApsaraDB RDS console is released. You can use the enterprise-level ApsaraDB RDS console to modify parameters, edit tags, and modify attributes of multiple RDS instances at a time. You can also renew multiple RDS instances at a time. This improves the experience of batch instance management. 05-11 Add tags to ApsaraDB RDS instances

Subscription renewal

Modify the parameters of an ApsaraDB RDS for MySQL instance

Set the maintenance window of an ApsaraDB RDS for MySQL instance
PostgreSQL New feature Database proxy The database proxy feature is supported. This feature supports automatic read/write splitting. 05-07 What are database proxies?
MySQL New feature New minor engine version The minor engine version 20220331 of AliSQL is released. 05-05 Release notes for minor AliSQL versions

April 2022

Database engine Category Feature Description Release date References
SQL Server New feature Manual primary/secondary switchover The manual primary/secondary switchover feature is supported for RDS instances that run SQL Server EE on RDS Cluster Edition. Before you enable this feature, you must submit a ticket to apply to be added to a whitelist. 04-29 Switch workloads over between primary and secondary ApsaraDB RDS for SQL Server instances
SQL Server Performance improvement Display of primary/secondary switchover logs The entry point to primary/secondary switchover logs is added on the Service Availability page. You can view the primary/secondary switchover logs only if the primary/secondary switchover is supported for your RDS instance that runs RDS High-availability Edition or RDS Cluster Edition. 04-29 View the error logs of an ApsaraDB RDS for SQL Server instance
PostgreSQL New feature Creation of read-only RDS instances Read-only RDS instances can be created for primary RDS instances that use new general-purpose instance types. 04-22 Read-only ApsaraDB RDS for PostgreSQL instance types
MySQL, PostgreSQL, SQL Server, and MariaDB TX New feature RAM policies Resource Access Management (RAM) policies are used to manage the permissions of RAM users. The RAM policies involve 12 conditions. 04-14 Use RAM policies to manage the permissions of RAM users on ApsaraDB RDS instances
PostgreSQL New feature Major engine version upgrade The major engine versions of RDS instances that use new general-purpose instance types can be upgraded. 04-14
SQL Server New feature Minor engine version update The minor engine versions of RDS instances that run SQL Server EE on RDS Cluster Edition can be updated. 04-13 Update the minor engine version of an ApsaraDB RDS for SQL Server instance
PostgreSQL Performance improvement Price reduction for read-only RDS instances The price of a read-only RDS instance that uses standard SSDs or enhanced SSDs (ESSDs) is reduced. 04-12

March 2022

Database engine Category Feature Description Release date References
SQL Server New feature Configuration of the read attribute for a secondary RDS instance that runs RDS Cluster Edition The read attribute can be configured for secondary RDS instances that run RDS Cluster Edition. After you create an RDS instance that runs RDS Cluster Edition, a primary RDS instance and a secondary RDS instance are provisioned. By default, the secondary RDS instance serves as a read-only instance. This reduces the cost of cloud migration. 03-28 Configure the read attribute for a secondary RDS instance of a primary ApsaraDB RDS for SQL Server instance
SQL Server Performance improvement Snapshot backup The snapshot backup feature is supported for RDS instances that use shared instance types and RDS instances that run RDS Cluster Edition. 03-18 Enable the snapshot backup feature for an ApsaraDB RDS for SQL Server instance
PostgreSQL New feature New minor engine version The minor engine version 20220228 of AliPG is released.
  • Version 1.0.2 of the sequential-uuids plug-in is supported.
  • Version 1.1.9 of the EncDB plug-in is supported.
  • Version 4.6 of Ganos is supported. For more information, see Release notes for Ganos.
  • Standard accounts are granted the permissions to execute the LOAD statement to load the index_adviser and pg_hint_plan plug-ins.
  • Privileged accounts are granted the permissions to configure the BYPASSRLS parameter in the CREATE ROLE statement.
03-18 Release notes for AliPG
MySQL New feature Advanced download and download of data backup files for restoration The advanced download feature is supported. You can use this feature to convert data backup files into CSV files, download the CSV files, and then use the files to restore data to a self-managed MySQL database. 03-18 Perform an advanced download
PostgreSQL Performance improvement Cloud migration The cloud migration feature can be used to migrate data between PostgreSQL instances over the Internet. 03-17 Migrate the data of a self-managed PostgreSQL instance to an ApsaraDB RDS for PostgreSQL instance
MySQL and PostgreSQL Performance improvement Primary/secondary switchover logs The entry point to the primary/secondary switchover logs is moved from the Logs page to the Service Availability page of the ApsaraDB RDS console. 03-16 Switch workloads over between primary and secondary ApsaraDB RDS for MySQL instances
PostgreSQL New feature New instance types New general-purpose instance types are released for RDS instances that run RDS High-availability Edition with standard SSDs or ESSDs. 03-15 Primary ApsaraDB RDS for PostgreSQL instance types
MySQL New feature Fast individual database and table restoration The fast individual database and table restoration feature is added to provide a faster restoration speed than standard restoration. 03-08 Restore individual databases and tables of an ApsaraDB RDS for MySQL instance
MySQL New feature Snapshot retention policy Increase Snapshot Frequency can be selected when you enable Single-digit Second Backup. The snapshot retention policy is updated. 03-08 Enable the automatic backup feature for an ApsaraDB RDS for MySQL instance
MySQL, PostgreSQL, SQL Server, and MariaDB TX New feature Instance release protection If your RDS instance uses the pay-as-you-go billing method and runs critical workloads, you can enable the release protection feature for your RDS instance. This feature prevents your RDS instance from being manually released due to accidental operations or lack of communication among team members. 03-08 Enable or disable the release protection feature for an ApsaraDB RDS for MySQL instance
PostgreSQL Performance improvement Recycle bin for manually released pay-as-you-go RDS instances Pay-as-you-go RDS instances that are created for more than seven days can be moved to the recycle bin after they are manually released. You can re-create and destroy the pay-as-you-go RDS instances in the recycle bin. 03-07 Manage ApsaraDB RDS for PostgreSQL instances in the recycle bin
MySQL Performance improvement New minor engine version The minor engine version 20211231 of AliSQL is released. The new minor engine version incorporates the changes in the official version 5.7.35 to optimize service performance. For more information, see 5.7.35. 03-06 Release notes for minor AliSQL versions

February 2022

Database engine Category Feature Description Release date References
PostgreSQL Performance improvement Migration across zones An RDS instance that runs RDS High-availability Edition with standard SSDs or ESSDs can be migrated to different zones. 02-24 Migrate an ApsaraDB RDS for PostgreSQL instance across zones in the same region

January 2022

Database engine Category Feature Description Release date References
PostgreSQL New feature New minor engine version The minor engine version 20220130 of AliPG is released.
  • Version 2.0 of the index_adviser plug-in is supported.
  • Version 1.3.1 of the hypopg plug-in is supported.
  • Version 4.5 of Ganos is supported. For more information, see Release notes for Ganos.
  • Version 1.1.7 of the EncDB plug-in is supported. This plug-in is used to support fully encrypted databases.
  • Version 1.1 of the pg_cron plug-in is supported.
  • Version 0.5 of the roaringbitmap plug-in is supported.
01-30 Release notes for AliPG