n8n@2.28.4

n8n-io/n8nn8n@2.28.4Jul 1, 2026by n8n-assistant[bot]

AI Summary

A comprehensive update addressing multiple issues across the AI Agent node, core logic regarding variables and authentication, and the editor interface, while introducing configuration options for the Python task runner.

Key Highlights

Fixed AI Agent memory handling for parallel tool calls
Improved project variable precedence over global variables
Enhanced Digest authentication flow
Added transitive import support for Python runners
Improved editor UX for Human Review nodes and credential management

New Features

Add N8N_RUNNERS_ALLOW_TRANSITIVE_IMPORTS for the Python task runner
Hide gateway-incompatible node parameters under managed credentials

Full Release Notes

## [2.28.4](https://github.com/n8n-io/n8n/compare/n8n@2.28.3...n8n@2.28.4) (2026-07-01)


### Bug Fixes

* **AI Agent Node:** Preserve parallel tool call structure in chat memory ([#33307](https://github.com/n8n-io/n8n/issues/33307)) ([5f266e6](https://github.com/n8n-io/n8n/commit/5f266e6ad09b345ec484db4f0cca00baac59ab10))
* **core:** Ensure project variables override same-key global variables ([#33232](https://github.com/n8n-io/n8n/issues/33232)) ([e5fffa2](https://github.com/n8n-io/n8n/commit/e5fffa232034666f5fe811af18143ee422e33976))
* **core:** Send Digest auth credentials only after the server challenge ([#33328](https://github.com/n8n-io/n8n/issues/33328)) ([27bcadb](https://github.com/n8n-io/n8n/commit/27bcadb2743b8ab82ee9b0e0fb39009ab2edd166))
* **core:** Skip AI Gateway managed credentials in pre-execution permission check ([#33278](https://github.com/n8n-io/n8n/issues/33278)) ([a41348f](https://github.com/n8n-io/n8n/commit/a41348f5d7c92a27e96578e0c91919acc85943d5))
* **editor:** Fix InputTriple responsive behaviour in NDV parameters ([#33205](https://github.com/n8n-io/n8n/issues/33205)) ([5f96beb](https://github.com/n8n-io/n8n/commit/5f96beb81eff53da01d1e9a42b93ebcee9d8f2d0))
* **editor:** Surface Human review node in add-node search ([#33317](https://github.com/n8n-io/n8n/issues/33317)) ([8d3b3ce](https://github.com/n8n-io/n8n/commit/8d3b3ced625169726d1a7383ce34048d407df305))


### Features

* **core:** Add N8N_RUNNERS_ALLOW_TRANSITIVE_IMPORTS for the Python task runner ([#33266](https://github.com/n8n-io/n8n/issues/33266)) ([922cd4e](https://github.com/n8n-io/n8n/commit/922cd4e7a008ef45e1008d99339fc74174297c6e))
* **editor:** Hide gateway-incompatible node parameters under managed credentials ([#33288](https://github.com/n8n-io/n8n/issues/33288)) ([acdd374](https://github.com/n8n-io/n8n/commit/acdd374461bae4dc526c9f5a6592c3e3766e6c62))

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