Iteration Node response structure altered when Parallel Mode is enabled with Array[Object] output #18197

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opened 2026-02-21 19:44:43 -05:00 by yindo · 0 comments
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Originally created by @outaiu on GitHub (Sep 25, 2025).

Self Checks

  • I have read the Contributing Guide and Language Policy.
  • This is only for bug report, if you would like to ask a question, please head to Discussions.
  • I have searched for existing issues search for existing issues, including closed ones.
  • I confirm that I am using English to submit this report, otherwise it will be closed.
  • 【中文用户 & Non English User】请使用英语提交,否则会被关闭 :)
  • Please do not modify this template :) and fill in all the required fields.

Dify version

1.9.0

Cloud or Self Hosted

Cloud

Steps to reproduce

This issue should be reproducible in any Dify workflow that contains Iteration + Parallel Mode. The last block of the Iteration output is a Code Node, and the output type is Array[Object].

✔️ Expected Behavior

Image

Change it like before.

Actual Behavior

In Dify workflows that contain Iteration + Parallel Mode, the response structure of the Iteration has changed, so please fix it. It's likely that the last block of the Iteration output is a Code Node, and the output type Array[Object] may have changed.

Image
Originally created by @outaiu on GitHub (Sep 25, 2025). ### Self Checks - [x] I have read the [Contributing Guide](https://github.com/langgenius/dify/blob/main/CONTRIBUTING.md) and [Language Policy](https://github.com/langgenius/dify/issues/1542). - [x] This is only for bug report, if you would like to ask a question, please head to [Discussions](https://github.com/langgenius/dify/discussions/categories/general). - [x] I have searched for existing issues [search for existing issues](https://github.com/langgenius/dify/issues), including closed ones. - [x] I confirm that I am using English to submit this report, otherwise it will be closed. - [x] 【中文用户 & Non English User】请使用英语提交,否则会被关闭 :) - [x] Please do not modify this template :) and fill in all the required fields. ### Dify version 1.9.0 ### Cloud or Self Hosted Cloud ### Steps to reproduce This issue should be reproducible in any Dify workflow that contains Iteration + Parallel Mode. The last block of the Iteration output is a Code Node, and the output type is Array[Object]. ### ✔️ Expected Behavior <img width="599" height="830" alt="Image" src="https://github.com/user-attachments/assets/b8f1fa61-9808-4287-b487-3f0856e8aee3" /> Change it like before. ### ❌ Actual Behavior In Dify workflows that contain Iteration + Parallel Mode, the response structure of the Iteration has changed, so please fix it. It's likely that the last block of the Iteration output is a Code Node, and the output type Array[Object] may have changed. <img width="589" height="1169" alt="Image" src="https://github.com/user-attachments/assets/32c9b53c-68d6-46a3-ad10-efabd7454825" />
yindo added the 🐞 bug label 2026-02-21 19:44:43 -05:00
yindo closed this issue 2026-02-21 19:44:43 -05:00
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Reference: langgenius/dify#18197