# Turborepo v2.9.4 — Release & Upgrade Intelligence
- **Product:** Turborepo (https://turbo.build)
- **Version:** v2.9.4
- **Released:** Apr 05, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/turborepo/updates/v2.9.4/

## Executive Summary (TL;DR)
Turborepo v2.9.4. Source highlight: fix: Always update $schema URL to versioned format during migration

## New Features
- feat: Add incremental task caching
- feat: Allow `--affected` and `--filter` to be combined

## Bug Fixes
- fix: Always update $schema URL to versioned format during migration
- fix: Support `turbo.jsonc` in codemod transforms
- fix: Preserve prerelease info in schema URL during codemod migration
- fix: Prevent `filterUsingTasks` `--filter` from pulling dependents into Task Graph
- fix: Only enforce signature key length for keys that exist
- fix: Validate engine concurrency after task-level filtering

## Upgrade Command
```bash
npm install --save-dev --save-exact turbo@2.9.4
```