Webhooks are not returning binary data after the upgrade

Questions
1

Information on your n8n setup

  • **n8n version:1.104.1
  • **Database (default: SQLite):SQLite
  • **n8n EXECUTIONS_PROCESS setting (default: own, main):main
  • **Running n8n via (Docker, npm, n8n cloud, desktop app):npm
  • **Operating system:Linux

Hello everyone! After the update 103.1, my Webhooks are not responding with binary data anymore. How can I sort it out? Is there any envinronment variable to ignore that iframe update?

2

Didn’t see anything in the announcement about this, but FWIW, you aren’t the only one annoyed by it.

3

Look at the latest n8n release notes. This is the fix, right?

1.104.2 (2025-07-31)

Bug Fixes
Webhook Node: Don't wrap response in an iframe if it doesn't have HTML

Features
Env to disable webhook response iframe sandboxing (#17851) (c9e291a)