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When using a loop node and a variable assigner, the variable assigner is assigned successfully, but the output of the loop node becomes the initial variable value. #17408

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opened 2026-02-21 19:35:00 -05:00 by yindo · 0 comments
yindo commented 2026-02-21 19:35:00 -05:00
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Originally created by @xiaoxuanyo on GitHub (Sep 15, 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

v2.0.0-beta.2

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

When using a loop node and a variable assigner, the variable assigner is assigned successfully, but the output of the loop node becomes the initial variable value.

Image Image Image

✔️ Expected Behavior

The output of a loop node should use the output of a variable assigner correctly

❌ Actual Behavior

The output of the loop node becomes the initial variable value.

Originally created by @xiaoxuanyo on GitHub (Sep 15, 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 v2.0.0-beta.2 ### Cloud or Self Hosted Self Hosted (Docker) ### Steps to reproduce **When using a loop node and a variable assigner, the variable assigner is assigned successfully, but the output of the loop node becomes the initial variable value.** <img width="762" height="438" alt="Image" src="https://github.com/user-attachments/assets/21fb688b-881f-450e-b35c-ba015a9ca22e" /> <img width="766" height="662" alt="Image" src="https://github.com/user-attachments/assets/8b7d3f9d-3203-471c-a809-94ddc51600bd" /> <img width="794" height="731" alt="Image" src="https://github.com/user-attachments/assets/65445f75-c950-4922-83db-0cbe9cbe3db4" /> ### ✔️ Expected Behavior **The output of a loop node should use the output of a variable assigner correctly** ### ❌ Actual Behavior **The output of the loop node becomes the initial variable value.**
yindo added the 🐞 bug label 2026-02-21 19:35:00 -05:00
yindo closed this issue 2026-02-21 19:35:00 -05:00
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Reference: langgenius/dify#17408
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