# pg_cron — PostgreSQL extension compatibility with PostgreSQL major versions For pg_cron, supported postgresql versions is PostgreSQL (10 or higher); oldest postgresql version supported is 10, recorded from its source on 2026-08-31; source re-checked 2026-09-14. - **Extension:** pg_cron _(our reading, not quoted from the source)_ - **Supported PostgreSQL versions:** PostgreSQL (10 or higher) _(verified: appears in the quote below)_ - **Oldest PostgreSQL version supported:** 10 _(our reading, not quoted from the source)_ ## What the source says > pg_cron is a simple cron-based job scheduler for PostgreSQL (10 or higher) that runs inside the database as an extension. ## Source - https://raw.githubusercontent.com/citusdata/pg_cron/main/README.md Last verified: 2026-09-14. Review by: 2026-12-29. Part of [PostgreSQL extension compatibility with PostgreSQL major versions](https://referencesource.org/postgres-extension-postgresql-version-compatibility/).