Database > RDS for PostgreSQL > Release Notes

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
    • Added the feature 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
    • 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
    • Added pgrouting, bool, hstore, intarray, isn, lo, ltree, and more to be able to install.

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
    • Modified 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.
  • PostgreSQL 14.6 version is provided.
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