# n8n n8n@1.56.0 — Release & Upgrade Intelligence
- **Product:** n8n (https://n8n.io)
- **Version:** n8n@1.56.0
- **Released:** Aug 21, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/n8n/updates/n8n-1.56.0/

## Executive Summary (TL;DR)
n8n n8n@1.56.0. Source highlight: Better errors in Switch, If and Filter nodes (#10457) (aea82cb)

## New Features
- **core:** Support bidirectional communication between specific mains and specific workers (#10377) (d0fc9de)
- **Facebook Graph API Node:** Update node to support API v18 - v20 (#10419) (e7ee10f)

## Bug Fixes
- Better errors in Switch, If and Filter nodes (#10457) (aea82cb)
- **Calendly Trigger Node:** Fix issue with webhook url matching (#10378) (09c3a8b)
- **core:** Fix payload property in `workflow-post-execute` event (#10413) (d98e29e)
- **core:** Fix XSS validation and separate URL validation (#10424) (91467ab)
- **core:** Replace `sanitize-html` with `xss` in XSS validator constraint (#10479) (5dea51a)
- **core:** Use class-validator with XSS check for survey answers (#10490) (547a606)