# Turborepo v1.7.3 — Release & Upgrade Intelligence
- **Product:** Turborepo (https://turbo.build)
- **Version:** v1.7.3
- **Released:** Feb 08, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/turborepo/updates/v1.7.3/

## Executive Summary (TL;DR)
Turborepo v1.7.3. Source highlight: publish 1.7.3 to registry

## New Features
- feat: Use lockfiles when determining what packages changed across commits (#3250)
- add rust_prepare to Ok requirements (#3599)
- feat(cli): support ci header (#3586)

## Bug Fixes
- fix: SSO Login (#3626)
- fix: mismatched pnpm lockfile version resolution (#3611)
- fix(cli): prefer constant over name (#3608)
- fix(docs): update turbo.json highlighting in docs (#3609)
- fix(cli): ci detection (#3605)
- fix: bring back tty into ci detection (#3589)

## Upgrade Command
```bash
npm install --save-dev --save-exact turbo@1.7.3
```