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Neon Serverless Postgres · PostgreSQL 15
PostgreSQL 18 and later include the built-in uuidv7() function. If you only need to generate UUIDv7 values on Postgres 18+, you don't need this extension. See [Native UUIDv7 support in PostgreSQL 18](https://neon.com/docs/extensions/pg_uuidv7#native-uuidv7-support-in-postgresql-18).