https://supabase.com/changelog Standalone support is on the 2026 roadmap following a January 2026 target. Currently, 'RDS Supabase' is GA as part of the Alibaba Cloud RDS for PostgreSQL 18 integration. Amazon RDS for PostgreSQL Hyperscaler Managed Service https://aws.amazon.com/about-aws/whats-new/2025/11/amazon-rds-postgresql-major-version-18/ PostgreSQL 18.0 includes "skip scan" support for multicolumn B-tree indexes and improved WHERE clause handling for OR and IN conditions. Amazon Aurora PostgreSQL-Compatible Edition Hyperscaler Managed Service https://aws.amazon.com/about-aws/whats-new/2025/12/amazon-aurora-postgresql-18-1-rds-database-preview/ Currently available in the RDS Database Preview Environment for testing and evaluation. Hyperscaler Managed Service https://docs.cloud.google.com/sql/docs/postgres/release-notes Includes support for both Enterprise and Enterprise Plus editions. Default version for new projects in some regions. Hyperscaler Managed Service https://cloud.google.com/blog/products/databases/postgres-18-and-extended-support-for-legacy-versions-in-alloydb Generally available for existing and new clusters. Supports one-click major version upgrades. Azure Database for PostgreSQL Flexible Server Hyperscaler Managed Service https://techcommunity.microsoft.com/blog/adforpostgresql/postgresql-18-now-ga-on-azure-postgres-flexible-server/4469802 Includes support for over 80 extensions and in-place upgrades. General availability includes all global regions. https://neon.com/blog/postgres-18 Available on both Free and paid plans. Supports new PG 18 features like B-tree skip scan and UUIDv7. https://aiven.io/changelog/f6485751-3528-4038-9767-82174fa02635 Available across all supported cloud providers (AWS, GCP, Azure, DigitalOcean). Support for minor versions up to 18.3. DigitalOcean Managed PostgreSQL https://www.digitalocean.com/blog/managed-databases-updates-h2 Available for new and existing clusters with support for common extensions like PostGIS. https://docs.crunchybridge.com/changelog Available on all cluster tiers. Supports the new AIO subsystem for improved throughput. EDB BigAnimal (EDB Postgres AI) Enterprise Postgres Platform https://www.ibm.com/support/pages/edb-postgres-ai-database-ibm180x Joint offering between EDB and IBM Cloud. Generally available for enterprise workloads. Instaclustr for PostgreSQL https://www.instaclustr.com/blog/postgresql-18-now-available-on-the-netapp-instaclustr-managed-platform/ Fully managed support for PG 18 across AWS, Azure, and GCP. Includes support for OAuth 2.0 authentication. https://www.clever.cloud/developers/changelog/2025/10-08-postgresql-18/ Default extensions from PG 17 are supported. Includes io_uring support for improved I/O performance. Render Managed PostgreSQL https://render.com/changelog/postgresql-18-is-now-available-for-render-postgres-databases Default version for all newly created databases. Supports in-place upgrades from previous versions. IBM Cloud Databases for PostgreSQL Hyperscaler Managed Service https://cloud.ibm.com/status/release-notes Available for new deployments and existing version upgrades. Managed service on IBM Cloud. https://gigalixir.com/blog/postgresql-18-now-available Full support for PG 18 features including the new I/O subsystem and UUIDv7. Targeted at production workloads. https://planetscale.com/blog/postgres-18-is-now-available Postgres 18 is the default version for new databases. Provides the familiar PlanetScale developer experience on top of standard PG 18. Railway Managed PostgreSQL https://railway.com/deploy/postgres-18/ Supports built-in High Availability (HA) and popular extensions. Deployable for free on the Railway platform. Scaleway Managed Database for PostgreSQL https://feature-request.scaleway.com/posts/1185/postgres-18 Officially on the roadmap for release by the end of June 2026. Part of the Managed Database for PostgreSQL engine updates. Percona Distribution for PostgreSQL (Managed Platform) Enterprise Postgres Platform https://docs.percona.com/postgresql/18/release-notes/release-notes-v18.3.1.html Includes enterprise-grade features like Transparent Data Encryption (TDE) and AIO support. Default engine version for Percona Operator for PostgreSQL. Tiger Cloud (by Timescale) TigerData (formerly Timescale) https://www.tigerdata.com/docs/get-started/news/new Managed analytical and analytical database platform from Timescale (now TigerData). PostgreSQL 18 is the default version for new services. Enterprise Postgres Platform https://gitlab.com/ongresinc/stackgres/-/releases/1.18.0-rc2 Managed distribution for Kubernetes environments. PostgreSQL 18 support introduced in version 1.18 release cycle. Alibaba Cloud PolarDB for PostgreSQL Hyperscaler Managed Service https://www.alibabacloud.com/blog/try-new-postgresql-18-now-in-alibaba-cloud-polardb_602770 Cloud-native database with storage-compute separation. Supports major PG 18 features including async I/O. Hyperscaler Managed Service https://www.tencentcloud.com/ind/document/product/409/38832 Generally available for all regions. Includes support for enterprise-grade features and high performance. Alibaba Cloud ApsaraDB RDS for PostgreSQL Hyperscaler Managed Service https://www.alibabacloud.com/blog/alibaba-cloud-apsaradb-rds-for-postgresql-18-the-premier-data-foundation-for-ai-applications_602802 Deeply integrates enterprise-grade capabilities and innovative AI features like Graph RAG and DuckDB integration. Support for Supabase ecosystem. Pigsty PostgreSQL Platform Enterprise Postgres Platform https://pigsty.io/docs/about/release/ Managed enterprise distribution with full extension readiness (437 extensions supported). Default version for new installations. Aptible Managed PostgreSQL https://www.aptible.com/changelog/postgres-18-and-more Generally available for all new and existing projects. Includes support for new Postgres 18 features and security enhancements. DanubeData Managed PostgreSQL https://danubedata.ro/changelog Generally available in EU data centers. Default version for new clusters as of late 2025. https://www.koyeb.com/changelog Generally available as part of the Koyeb serverless platform. Supports automated scaling and configuration management. 