Fixed an API response schema error in the DB engine version retrieval API
Fixed an issue where the response schema of the DB engine version retrieval API was returned differently from the schema specified in the API guide, and corrected it to match the guide.
Fixed a required value handling error in the restore API
Fixed an issue where required values specified in the guide were not processed correctly when requesting point-in-time restore or backup restore via API.
August 11, 2026
Added Features
New Region Launched
Newly launched in the Korea (Pyeongchon) region.
Added the ability to create a read replica in a different region
You can create a read replica by selecting a region different from the source DB instance's region.
Added snapshot backup
You can select the snapshot backup method when running a backup.
Backups are performed using Cinder storage snapshots without affecting DB instance performance.
Added new DB engine versions
Added PostgreSQL versions 14.23 and 17.10.
Added the ability to check version upgrade history
You can check the version upgrade history in a pop-up on the DB instance details screen.
Feature Updates
Improved handling of database and user deletion failures
Improved the console to display an error message when database or user deletion fails.
Increased the character limit for database and user names
Improved the feature so that database and user names can be created and modified with up to 63 characters.
Bug Fixes
Fixed an issue where DDL users were not granted creation permission
Fixed an issue where, when adding a DDL user while using direct database control, creation permission was not granted.
June 9, 2026
Added Features
Added direct control feature for databases and users
Enabling the direct control option for databases and users in the master modification screen allows you to directly create or delete databases and users with a DDL account.
Feature Updates
Improved DB instance group list screen
Improved the UI and UX of the DB instance group list screen.
Improved DB engine status reflection
Improved the system to immediately reflect the status when the DB engine is stopped.
Improved cron schema management after pg_cron extension installation
Improved the system to allow viewing and directly controlling the cron schema created after installing the pg_cron extension from the database list.
Bug Fixes
Fixed an issue where users could not be created with passwords containing special characters
Fixed an issue where users could not be created when the password contained a single quotation mark (').
Fixed an issue where Resource Watcher resources were not deleted when the service was deactivated
Fixed an issue where the relevant resources were not deleted from Resource Watcher when the service was deactivated while DB instances remained.
Fixed a parameter group comparison error
Fixed an issue where an error occurred when comparing a parameter group with no connected DB instances.
April 14, 2026
Added Features
Added storage auto-scaling feature
Added a feature to automatically scale storage capacity to prevent service outages caused by insufficient storage capacity.
Added OS version upgrade feature
Added a feature to upgrade the OS version of DB instances to the latest version for security patches and improved stability.
Feature Updates
Improved high availability DB instance name input
Improved the feature to allow explicit input of the standby master name so that the master and standby master can be distinguished by name.
Added log capacity collection item to storage detail chart
Improved the storage detail chart to allow log capacity to be viewed separately from data capacity.
Improved access control rule addition feature
Improved the feature to allow bulk addition by passing the pg_hba.conf source as-is.
February 10, 2026
Added Feautures
Added DB extensions
Enabled the pg_cron extension.
Added database and schema permission management
Implemented access control to restrict database and schema access to authorized users only.
Allowed designating DDL-privileged users as database or schema owners.
Integrated Resource Watcher service
Enabled DB instance resource monitoring through the Resource Watcher service.
Feature Updates
Improved Point-in-Time Recovery (PITR) information retrieval
Optimized query speeds for environments with a high volume of WAL log files.
Expanded user permissions
Added a new READ-only privilege.
Relaxed DDL constraints to enable creating, modifying, or deleting DDL-privileged users.
Bug Fixes
Fixed an issue where access control rules were inconsistent in high-availability DB instances
Fixed an issue where access control rules were inconsistent between the master and standby instances.
Fixed an issue where non-deletable users were incorrectly displayed as deleted
Fixed an issue where users owning objects were incorrectly shown as deleted in the console.
Improved user deletion by adding options to handle owned objects, ensuring successful removal.
October 28, 2025
Added Features
Added new DB engine version
Added PostgreSQL 14.19, 17.6 versions.
Bug Fixes
Fixed an issue for exposure capacity within free-up capacity modal
Fixed an issue that the capacity exposed within the free-up capacity modal is less than the actual capacity secured.
April 15, 2025
Added Features
Added new DB engine version
Added PostgreSQL 14.17, 17.4 versions.
Added the feature to manage extension
Added the feature to install or remove extensions requiring SUPERUSER permissions from the console.
You can now synchronize the extension list with the database and user list.
Added the log retention period to the maintenance setting
Added the feature to delete the PostgreSQL logs that have exceeded their retention period when using the automatic storage cleanup feature.
Feature Updates
Restrict new DB engine creation
A security vulnerability has been detected in version PostgreSQL 14.15, 17.2, so upgrading to the latest version is recommended.
It is only allowed in limited cases, such as when changing an existing DB instance to high availability or restoring from a backup.
Feb 11, 2025
Added Features
Added a new DB engine version
Added PostgreSQL versions 14.15, 17.2.
Added a feature to upgrade DB engine version
You can upgrade the DB Engine version from an existing version to the recently added version.
Features Updates
Added DB engine creation limit
A security vulnerability has been discovered in PostgreSQL version 14.6 and an upgrade to a newer version is recommended.
DB engine creation is allowed for changing an existing DB instance to high availability or restoring with a backup.
December 10, 2024
Added Features
Added High Availability
Added the feature to create and modify high-availability DB instances.
Added Database & User Synchronization
Added the feature to view databases and user lists in sync with information within the DB engine.
Added Maintenance Settings
Provides the feature to periodically clean up storage to help stabilize DB instances.
Added Backup Export
Added the feature to select an existing backup or start a new backup and export it to user object storage.
Added the feature to restore to a backup in object storage
Added the feature to restore from a backup exported to object storage.
Added API Feature
Allow you to control RDS for PostgreSQL features via APIs.
Feature Updates
Changed the DB Instance > Backup tab name
Renamed the Backup tab to Backup and Maintenance among the detail tabs of the DB instance.
You can additionally check the maintenance settings within your DB instance.
Changed User Permissions in Databases
Expanded DDL user permissions from the CREATE schema permission to the CREATE database permission.
As part of the expanded permissions, changed to allow schema creation with DDL user IDs.
Improved Database List View Feature
Improved the feature to view a list of schemas added as DDL users in the database list.
Improved Backup Settings
Removed the backup retry expiration time entry and improved to retry backups within the backup window time range.
Changed Feature to Free up Capacity
Improved the selection of WAL log files from directly selecting them to a backup time base that allows point-in-time restores.
Changed the shared_buffers parameter
Changed to Limit the parameter to a maximum of 50% of the DB instance RAM size, as using an excessively large value can cause problems running the DB engine.
October 15, 2024
Added Features
Added auto backup settings
Added the feature to set whether to allow auto backups.
You can disallow auto backups under any circumstances.
If you don't have the backups required for replication, you are limited to creating read replicas.
Added the feature to wait for replication delay on force promotion
Added the feature to wait for replication delays to resolve when force promoting.
Added the feature to end replication delay queuing
Added the feature to end the wait for replication delays when promoting/forcing a promotion.
Added DB extensions
Allow you to install pgrouting, bool, hstore, intarray, isn, lo, ltree, and more.
Feature Updates
Improved event subscription search
Improved so that you can search by event source name.
Improved the feature to enter the shared_preload_libraries parameter
Improved the way shared_preload_libraries values are entered to a multi-select drop-down list format.
Bug fixes
Fix default notification creation errors
Fixed default notification creation to ignore the existence of a notification group with the same name.
Fixed an error with the log_timezone parameter
Fixed an issue where replication fails when the log_timezone value is applied to something other than Asia/Seoul.
Fixed an error with the max_connections parameter
Fixed an issue with the order of application when changing the max_connections value with read replicas added.
Changed the parameter to be inapplicable if the value on the master is set to be greater than the read replica.
Changed the parameter to be inapplicable if the value of the read replica is set to less than the master.
August 13, 2024
Added Features
Added DB instance deletion protection feature
Added connected notification groups, operating system information to DB instance detail view screen
Added the feature to create read replicas
Added replication latency to monitoring charts and monitoring settings.
Added the Subscribe to Events feature
Notifications sent when certain events occur.
Feature Updates
Improved the access control feature
Added the option to add default access control rules when adding users.
Improved usability to allow drag-and-drop rule ordering.
Improved to see which parameter items actually change when applying parameter group changes
Improved the service activation screen
Improved to auto-refresh on service activation.
Improved the parameter group detail Screen
Added the TIMEZONE type and improved the dropdown to search for and enter it.
Improved the feature to select units with a dropdown when editing parameters with units.
June 11, 2024
Release of a New Service
Relational Database Service (RDS) is a service that provides relational databases in cloud environments.
You can use relational databases without difficult settings.