# Turborepo v1.12.3 — Release & Upgrade Intelligence
- **Product:** Turborepo (https://turbo.build)
- **Version:** v1.12.3
- **Released:** Feb 06, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/turborepo/updates/v1.12.3/

## Executive Summary (TL;DR)
Turborepo v1.12.3. Source highlight: Add "System environment variables" page.

## New Features
- Add "System environment variables" page.
- feat(docs): document building turbo from source
- feat(turbo-repository): return additional workspace data
- chore(turborepo-lib): use compile error for feature validation

## Bug Fixes
- docs(turborepo): fix typo in task dependencies
- Fix a typo in docs page for github actions
- Fix trailing comma in exapmle react-library.json
- fix: avoid expensive globwalk in examples
- backport wax 0.6 fixes to turborepo-wax
- fix: declare version.txt as input

## Upgrade Command
```bash
npm install --save-dev --save-exact turbo@1.12.3
```