# pgvector — PostgreSQL extension compatibility with PostgreSQL major versions For pgvector, supported postgresql versions is supports Postgres 13+; oldest postgresql version supported is 13, recorded from its source on 2026-08-31; source re-checked 2026-09-14. - **Extension:** pgvector _(our reading, not quoted from the source)_ - **Supported PostgreSQL versions:** supports Postgres 13+ _(verified: appears in the quote below)_ - **Oldest PostgreSQL version supported:** 13 _(our reading, not quoted from the source)_ ## What the source says > Compile and install the extension (supports Postgres 13+) ## Source - https://github.com/pgvector/pgvector 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/).