# Turborepo v2.5.5 — Release & Upgrade Intelligence
- **Product:** Turborepo (https://turbo.build)
- **Version:** v2.5.5
- **Released:** Jul 16, 2025
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/turborepo/updates/v2.5.5/

## Executive Summary (TL;DR)
Turborepo v2.5.5. Source highlight: fix(docs): use `pnpm add <pkg>` instead of `pnpm install <pkg>`

## Breaking Changes & Deprecations
- feat: opt into breaking changes and pre-stable features early with `turbo.json` configuration by @anthonyshew in https://github.com/vercel/turborepo/pull/10590

## New Features
- feat(auth): optional callback port
- feat(turbo.json): allow for trailing commas
- feat(env): add Windows user profile variables to pass-through
- feat: opt into breaking changes and pre-stable features early with `turbo.json` configuration
- refactor: add spans to some turbo.json fields
- chore: add unit test coverage reporter

## Improvements
- refactor: improve messaging in global warning
- test(turborepo-analytics): improve unit test coverage

## Bug Fixes
- fix(docs): use `pnpm add <pkg>` instead of `pnpm install <pkg>`
- fix(docs): missing commas in package.json files of jest docs
- fix(docs): css import order bug in tailwindcss docs and example
- docs: logo fix
- fix(docs): incorrect CSS filename in Tailwind CSS setup example
- fix(docs): inconsistent command with the illustration

## Upgrade Command
```bash
npm install --save-dev --save-exact turbo@2.5.5
```