# n8n n8n@1.43.0 — Release & Upgrade Intelligence
- **Product:** n8n (https://n8n.io)
- **Version:** n8n@1.43.0
- **Released:** May 22, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/n8n/updates/n8n-1.43.0/

## Executive Summary (TL;DR)
n8n n8n@1.43.0. Source highlight: **core:** Account for retry of execution aborted by pre-execute hook (#9474) (a217866)

## New Features
- Add Slack trigger node (#9190) (bf54930)
- **Custom n8n Workflow Tool Node:** Add support for tool input schema (#9470) (2fa46b6)
- **editor:** Add examples for Luxon DateTime expression methods (#9361) (40bce7f)
- **editor:** Add examples for root expression methods (#9373) (a591f63)
- **editor:** Expand supported Unicode range for expressions (#9420) (2118236)
- **editor:** Update Node Details View header tabs structure (#9425) (2782534)

## Bug Fixes
- **core:** Account for retry of execution aborted by pre-execute hook (#9474) (a217866)
- **core:** Add an option to disable STARTTLS for SMTP connections (#9415) (0d73588)
- **core:** Do not allow admins to delete the instance owner (#9489) (fc83005)
- **core:** Do not allow admins to generate password-reset links for instance owner (#9488) (88b9a40)
- **core:** Fix 431 for large dynamic node parameters (#9384) (d21ad15)
- **core:** Handle credential in body for oauth2 refresh token (#9179) (c9855e3)