[GH-ISSUE #18294] issue: <details> tags for reasoning not identified if tag is present in user message #89296

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opened 2026-05-15 14:11:09 -05:00 by GiteaMirror · 3 comments
Owner

Originally created by @Classic298 on GitHub (Oct 13, 2025).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/18294

Check Existing Issues

  • I have searched for any existing and/or related issues.
  • I have searched for any existing and/or related discussions.
  • I am using the latest version of Open WebUI.

Installation Method

Pip Install

Open WebUI Version

v0.6.33

Ollama Version (if applicable)

No response

Operating System

Ubuntu

Browser (if applicable)

Edge

Confirmation

  • I have read and followed all instructions in README.md.
  • I am using the latest version of both Open WebUI and Ollama.
  • I have included the browser console logs.
  • I have included the Docker container logs.
  • I have provided every relevant configuration, setting, and environment variable used in my setup.
  • I have clearly listed every relevant configuration, custom setting, environment variable, and command-line option that influences my setup (such as Docker Compose overrides, .env values, browser settings, authentication configurations, etc).
  • I have documented step-by-step reproduction instructions that are precise, sequential, and leave nothing to interpretation. My steps:
  • Start with the initial platform/version/OS and dependencies used,
  • Specify exact install/launch/configure commands,
  • List URLs visited, user input (incl. example values/emails/passwords if needed),
  • Describe all options and toggles enabled or changed,
  • Include any files or environmental changes,
  • Identify the expected and actual result at each stage,
  • Ensure any reasonably skilled user can follow and hit the same issue.

Expected Behavior

Details are rendered correctly as thinking content

Actual Behavior

They are not

Steps to Reproduce

  1. Send a message to a model containing a
    tag like so
  2. Send the message
  3. Observe reasoning content of the model (it will not be rendered correctly)

Logs & Screenshots

.

Additional Information

No response

Originally created by @Classic298 on GitHub (Oct 13, 2025). Original GitHub issue: https://github.com/open-webui/open-webui/issues/18294 ### Check Existing Issues - [x] I have searched for any existing and/or related issues. - [x] I have searched for any existing and/or related discussions. - [x] I am using the latest version of Open WebUI. ### Installation Method Pip Install ### Open WebUI Version v0.6.33 ### Ollama Version (if applicable) _No response_ ### Operating System Ubuntu ### Browser (if applicable) Edge ### Confirmation - [x] I have read and followed all instructions in `README.md`. - [x] I am using the latest version of **both** Open WebUI and Ollama. - [x] I have included the browser console logs. - [x] I have included the Docker container logs. - [x] I have **provided every relevant configuration, setting, and environment variable used in my setup.** - [x] I have clearly **listed every relevant configuration, custom setting, environment variable, and command-line option that influences my setup** (such as Docker Compose overrides, .env values, browser settings, authentication configurations, etc). - [x] I have documented **step-by-step reproduction instructions that are precise, sequential, and leave nothing to interpretation**. My steps: - Start with the initial platform/version/OS and dependencies used, - Specify exact install/launch/configure commands, - List URLs visited, user input (incl. example values/emails/passwords if needed), - Describe all options and toggles enabled or changed, - Include any files or environmental changes, - Identify the expected and actual result at each stage, - Ensure any reasonably skilled user can follow and hit the same issue. ### Expected Behavior Details are rendered correctly as thinking content ### Actual Behavior They are not ### Steps to Reproduce 1. Send a message to a model containing a <details> tag like so 2. Send the message 3. Observe reasoning content of the model (it will not be rendered correctly) ### Logs & Screenshots . ### Additional Information _No response_
GiteaMirror added the bug label 2026-05-15 14:11:09 -05:00
Author
Owner

@silentoplayz commented on GitHub (Oct 14, 2025):

I am able to reproduce the described issue on the latest dev commit.

Image
<!-- gh-comment-id:3403245552 --> @silentoplayz commented on GitHub (Oct 14, 2025): I am able to reproduce the described issue on the latest `dev` commit. <img width="1959" height="1274" alt="Image" src="https://github.com/user-attachments/assets/4a4a50a7-5402-4147-a48e-b3fc576c5566" />
Author
Owner

@acomarcho commented on GitHub (Nov 1, 2025):

Introduced a fix in this pull request.

<!-- gh-comment-id:3475725888 --> @acomarcho commented on GitHub (Nov 1, 2025): Introduced a fix in [this pull request.](https://github.com/open-webui/open-webui/pull/18840)
Author
Owner

@tjbck commented on GitHub (Nov 2, 2025):

Addressed in dev, Thanks!

<!-- gh-comment-id:3478503883 --> @tjbck commented on GitHub (Nov 2, 2025): Addressed in dev, Thanks!
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Reference: github-starred/open-webui#89296