n8n@2.21.6

n8n-io/n8nn8n@2.21.6May 21, 2026by n8n-assistant[bot]

AI Summary

A bug fix release addressing core issues including expression isolate for scheduled polls, webhook execution data, and AI vendor node prompt validation.

Key Highlights

Acquired expression isolate for scheduled polls
Populated manual user ID on webhook execution data path
Validated non-empty prompts in AI vendor nodes before API calls

Full Release Notes

## [2.21.6](https://github.com/n8n-io/n8n/compare/n8n@2.21.5...n8n@2.21.6) (2026-05-21)


### Bug Fixes

* **core:** Acquire expression isolate for scheduled polls ([#30742](https://github.com/n8n-io/n8n/issues/30742)) ([6167d4a](https://github.com/n8n-io/n8n/commit/6167d4a3623d1a7ac73922737b71fb840b69ac9f))
* **core:** Populate manual user id on webhook execution data path ([#30781](https://github.com/n8n-io/n8n/issues/30781)) ([50c55aa](https://github.com/n8n-io/n8n/commit/50c55aa94b7d8605854d323ae527b7dc354b2448))
* **core:** Validate non-empty prompts in AI vendor nodes before API calls ([#30820](https://github.com/n8n-io/n8n/issues/30820)) ([15d0dbb](https://github.com/n8n-io/n8n/commit/15d0dbbcaf5899f33b1e3c49005a37e7ef565aae))