# n8n n8n@1.4.0 — Release & Upgrade Intelligence
- **Product:** n8n (https://n8n.io)
- **Version:** n8n@1.4.0
- **Released:** Aug 23, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/n8n/updates/n8n-1.4.0/

## Executive Summary (TL;DR)
n8n n8n@1.4.0. Source highlight: **core:** Add recoveryInProgress flag file (#6962) (7b96820)

## New Features
- **core:** Add a warning to error workflows that cannot be started due to permission or settings (#6961) (67b88f7)
- **core:** Add support for ready hooks, and credentials overwrite endpoint in workers (#6954) (8f8a1de)
- **editor:** Show banner for non-production licenses (#6943) (413570c)
- Remove PostHog event calls (#6915) (270946a)
- **Send Email Node:** Add support for sending text and html email simultaneously (#6978) (3860d41)

## Bug Fixes
- **core:** Add recoveryInProgress flag file (#6962) (7b96820)
- **core:** Fix `continueOnFail` for expression error in Set (#6939) (d4fac05)
- **core:** Fix `import:workflow` command (#6996) (8c38d85)
- **core:** Replace throw with warning when deactivating a non-active workflow (#6969) (b6a00fe)
- **core:** Set up OAuth2 cred test (#6960) (4fc69b7)
- **editor:** Do not flag dynamic load options issue on expression (#6932) (60a1ef0)