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[GH-ISSUE #11414] issue: Error rendering letters with subscripts #16220

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opened 2026-04-19 22:13:17 -05:00 by GiteaMirror · 2 comments
GiteaMirror commented 2026-04-19 22:13:17 -05:00
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Originally created by @triangle3pyramid9 on GitHub (Mar 8, 2025).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/11414

Check Existing Issues

  • I have searched the existing issues and discussions.

Installation Method

Git Clone

Open WebUI Version

0.3.20

Ollama Version (if applicable)

No response

Operating System

MacOS Sonoma

Browser (if applicable)

Safari

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 checked the browser console logs.
  • I have checked the Docker container logs.
  • I have listed steps to reproduce the bug in detail.

Expected Behavior

The letters with subscripts should be rendered correctly.

Actual Behavior

Error rendering letters with subscripts as can be seen from the picture.

Image

Steps to Reproduce

Can be seen quite often in model responses (Gemini series)

Logs & Screenshots

Image

Additional Information

No response

Originally created by @triangle3pyramid9 on GitHub (Mar 8, 2025). Original GitHub issue: https://github.com/open-webui/open-webui/issues/11414 ### Check Existing Issues - [x] I have searched the existing issues and discussions. ### Installation Method Git Clone ### Open WebUI Version 0.3.20 ### Ollama Version (if applicable) _No response_ ### Operating System MacOS Sonoma ### Browser (if applicable) Safari ### 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 checked the browser console logs. - [x] I have checked the Docker container logs. - [x] I have listed steps to reproduce the bug in detail. ### Expected Behavior The letters with subscripts should be rendered correctly. ### Actual Behavior Error rendering letters with subscripts as can be seen from the picture. <img width="761" alt="Image" src="https://github.com/user-attachments/assets/8003368b-ecab-4bf0-b6c4-e0f6dafb90a7" /> ### Steps to Reproduce Can be seen quite often in model responses (Gemini series) ### Logs & Screenshots <img width="761" alt="Image" src="https://github.com/user-attachments/assets/99c26e46-08e1-44f6-bfeb-b51f1e94751b" /> ### Additional Information _No response_
GiteaMirror added the bug label 2026-04-19 22:13:17 -05:00
GiteaMirror commented 2026-04-19 22:13:19 -05:00
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@FedeCuci commented on GitHub (Mar 8, 2025):

I experience the same. Seems to be a problem with the and tags specifically.
Image

<!-- gh-comment-id:2708367503 --> @FedeCuci commented on GitHub (Mar 8, 2025): I experience the same. Seems to be a problem with the <sub> and </sub>tags specifically. ![Image](https://github.com/user-attachments/assets/d489c793-cb63-4d97-9b5d-66181b4c4bb4)
GiteaMirror commented 2026-04-19 22:13:19 -05:00
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@tjbck commented on GitHub (Mar 8, 2025):

Could you provide us with an instruction on how to reproduce?

<!-- gh-comment-id:2708369489 --> @tjbck commented on GitHub (Mar 8, 2025): Could you provide us with an instruction on how to reproduce?
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Reference: github-starred/open-webui#16220
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