# Prisma 3.4.0 — Release & Upgrade Intelligence
- **Product:** Prisma (https://prisma.io)
- **Version:** 3.4.0
- **Released:** Nov 02, 2021
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/prisma/updates/3.4.0/

## Executive Summary (TL;DR)
Prisma 3.4.0. Source highlight: Today, we are excited to share the `3.4.0` stable release 🎉

## New Features
- add a compound unique index on the combination of  `author` and `title`
- add an index to `title`
- Add test for custom engine location from the Prisma Client JS instance
- Add postgres 14 to databases tested in CI

## Bug Fixes
- CFW: Find cause and fix error 500

## Upgrade Command
```bash
npm install --save-dev --save-exact prisma@3.4.0
```