# Turborepo v1.9.4 — Release & Upgrade Intelligence
- **Product:** Turborepo (https://turbo.build)
- **Version:** v1.9.4
- **Released:** May 11, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/turborepo/updates/v1.9.4/

## Executive Summary (TL;DR)
Turborepo v1.9.4. Source highlight: chore: delete unused npm lockfile impl in go

## New Features
- feat(turbo): add spaces link
- feat: Add rust implementation of Yarn3+ lockfile
- docs(prisma): add required version field in example
- feat: Use Rust Berry lockfile impl
- Add gitbranch and sha into spaces payload
- chore: add underlying error to lockfile error messages

## Bug Fixes
- Fix path
- fix(turborepo): Switching back to git command instead of git2
- fix(turbo-utils): support old workspace format
- fix: rebuild protobuf code and update ffi callsite
- Fix errors-only integration test
- fix(turborepo): Turbostate deserialization

## Upgrade Command
```bash
npm install --save-dev --save-exact turbo@1.9.4
```