# Prisma 4.5.0 — Release & Upgrade Intelligence
- **Product:** Prisma (https://prisma.io)
- **Version:** 4.5.0
- **Released:** Oct 18, 2022
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/prisma/updates/4.5.0/

## Executive Summary (TL;DR)
Prisma 4.5.0. Source highlight: 🌟 **Help us spread the word about Prisma by starring the repo or tweeting about the release.** 🌟

## New Features
- Rename the feature to “Prisma relation mode” → relationMode
- Add TS test for datasource property `referentialIntegrity` and `relationMode`
- Feature: Allow non-unique fields to be used with update
- Add autocompletion for property of `relationMode` (previously `referentialIntegrity`) in the datasource block

## Upgrade Command
```bash
npm install --save-dev --save-exact prisma@4.5.0
```