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[GH-ISSUE #23990] issue: Scrolling up jumps around in a conversation/chat #35674

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opened 2026-04-25 09:51:35 -05:00 by GiteaMirror · 25 comments
GiteaMirror commented 2026-04-25 09:51:35 -05:00
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Originally created by @FrameXX on GitHub (Apr 22, 2026).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/23990

Check Existing Issues

  • I have searched for any existing and/or related issues.
  • I have searched for any existing and/or related discussions.
  • I have also searched in the CLOSED issues AND CLOSED discussions and found no related items (your issue might already be addressed on the development branch!).
  • I am using the latest version of Open WebUI.

Installation Method

Docker

Open WebUI Version

v0.9.1

Ollama Version (if applicable)

No response

Operating System

Fedora Linux 43

Browser (if applicable)

Zen (Firefox 149.0.2)

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

I should be able to scroll without the conversation/chat jumping around.

Actual Behavior

When scrolling up in a conversation/chat it jumps back and forth usually around my queries/questions/messages.

Steps to Reproduce

Open a conversation/chat in Firefox or specifically Zen and try to scroll up. I am scrolling using a notebook touchpad. I am unable to reproduce it in a Chromium browser and this also didn't happen to me with the previous OpenWebUI version.

Logs & Screenshots

https://github.com/user-attachments/assets/31fc788c-2cc9-4bd0-b0ff-8a88b789a19b

Additional Information

These errors show in the browser console upon loading a conversation and might be relevant:

This site appears to use a scroll-linked positioning effect. This may not work well with asynchronous panning; see https://firefox-source-docs.mozilla.org/performance/scroll-linked_effects.html for further details and to join the discussion on related tools and features! 04c1ec0b-b005-44f5-abf9-44ecea4a4ac9

Scroll anchoring was disabled in a scroll container because of too many consecutive adjustments (17) with too little total distance (1.41176470588235 px average, 24 px total). index.js:7850:54

I have also noticed that while scrolling up does not jump in Chromium it seems to get bit laggy around my queries.

Originally created by @FrameXX on GitHub (Apr 22, 2026). Original GitHub issue: https://github.com/open-webui/open-webui/issues/23990 ### 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 have also searched in the CLOSED issues AND CLOSED discussions and found no related items (your issue might already be addressed on the development branch!). - [x] I am using the latest version of Open WebUI. ### Installation Method Docker ### Open WebUI Version v0.9.1 ### Ollama Version (if applicable) _No response_ ### Operating System Fedora Linux 43 ### Browser (if applicable) Zen (Firefox 149.0.2) ### 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 I should be able to scroll without the conversation/chat jumping around. ### Actual Behavior When scrolling up in a conversation/chat it jumps back and forth usually around my queries/questions/messages. ### Steps to Reproduce Open a conversation/chat in Firefox or specifically Zen and try to scroll up. I am scrolling using a notebook touchpad. I am unable to reproduce it in a Chromium browser and this also didn't happen to me with the previous OpenWebUI version. ### Logs & Screenshots https://github.com/user-attachments/assets/31fc788c-2cc9-4bd0-b0ff-8a88b789a19b ### Additional Information These errors show in the browser console upon loading a conversation and might be relevant: > This site appears to use a scroll-linked positioning effect. This may not work well with asynchronous panning; see https://firefox-source-docs.mozilla.org/performance/scroll-linked_effects.html for further details and to join the discussion on related tools and features! 04c1ec0b-b005-44f5-abf9-44ecea4a4ac9 > Scroll anchoring was disabled in a scroll container because of too many consecutive adjustments (17) with too little total distance (1.41176470588235 px average, 24 px total). index.js:7850:54 I have also noticed that while scrolling up does not jump in Chromium it seems to get bit laggy around my queries.
GiteaMirror added the bug label 2026-04-25 09:51:35 -05:00
GiteaMirror commented 2026-04-25 09:51:37 -05:00
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@DerKay3 commented on GitHub (Apr 22, 2026):

I’m experiencing the same bug.
Happens on Safari and Chrome as well.
Running Open WebUI v0.9.1.

<!-- gh-comment-id:4295230897 --> @DerKay3 commented on GitHub (Apr 22, 2026): I’m experiencing the same bug. Happens on Safari and Chrome as well. Running Open WebUI v0.9.1.
GiteaMirror commented 2026-04-25 09:51:38 -05:00
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@diminDDL commented on GitHub (Apr 22, 2026):

I am experiencing the same bug under Firefox 149.0.2 as well, it works fine when scrolling from top to bottom, but going bottom to to is full of jumps and is almost impossible to navigate.

The Firefox console also throws:
Scroll anchoring was disabled in a scroll container because of too many consecutive adjustments (12) with too little total distance (0 px average, 0 px total). ada78052-a92c-4adc-ae28-dcf46facd431
and also sometimes:
This site appears to use a scroll-linked positioning effect. This may not work well with asynchronous panning; see https://firefox-source-docs.mozilla.org/performance/scroll-linked_effects.html for further details and to join the discussion on related tools and features! ada78052-a92c-4adc-ae28-dcf46facd431

<!-- gh-comment-id:4295634997 --> @diminDDL commented on GitHub (Apr 22, 2026): I am experiencing the same bug under Firefox 149.0.2 as well, it works fine when scrolling from top to bottom, but going bottom to to is full of jumps and is almost impossible to navigate. The Firefox console also throws: `Scroll anchoring was disabled in a scroll container because of too many consecutive adjustments (12) with too little total distance (0 px average, 0 px total). ada78052-a92c-4adc-ae28-dcf46facd431` and also sometimes: `This site appears to use a scroll-linked positioning effect. This may not work well with asynchronous panning; see https://firefox-source-docs.mozilla.org/performance/scroll-linked_effects.html for further details and to join the discussion on related tools and features! ada78052-a92c-4adc-ae28-dcf46facd431`
GiteaMirror commented 2026-04-25 09:51:39 -05:00
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@intdel commented on GitHub (Apr 22, 2026):

Yes I have the same problem with Android Chrome 147.0

<!-- gh-comment-id:4297375400 --> @intdel commented on GitHub (Apr 22, 2026): Yes I have the same problem with Android Chrome 147.0
GiteaMirror commented 2026-04-25 09:51:40 -05:00
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@Fade78 commented on GitHub (Apr 22, 2026):

Same problem on Firefox on Android and Linux.

<!-- gh-comment-id:4297847174 --> @Fade78 commented on GitHub (Apr 22, 2026): Same problem on Firefox on Android and Linux.
GiteaMirror commented 2026-04-25 09:51:40 -05:00
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@d1ffuser commented on GitHub (Apr 22, 2026):

Confirmed on Firefox and Bave.

Duplicate: https://github.com/open-webui/open-webui/discussions/23993

<!-- gh-comment-id:4298013548 --> @d1ffuser commented on GitHub (Apr 22, 2026): Confirmed on Firefox and Bave. Duplicate: https://github.com/open-webui/open-webui/discussions/23993
GiteaMirror commented 2026-04-25 09:51:41 -05:00
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@mysteryx93 commented on GitHub (Apr 22, 2026):

This is definitely a regression. The major new feature is that now it creates and displays tasks with steps (and isn't even completing all the steps it displays). So this is a partially-working feature; and I'm pretty sure that's what also breaks the scrolling.

<!-- gh-comment-id:4298122435 --> @mysteryx93 commented on GitHub (Apr 22, 2026): This is definitely a regression. The major new feature is that now it creates and displays tasks with steps (and isn't even completing all the steps it displays). So this is a partially-working feature; and I'm pretty sure that's what also breaks the scrolling.
GiteaMirror commented 2026-04-25 09:51:43 -05:00
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@Silvenga commented on GitHub (Apr 22, 2026):

Looks related to lazy loading/virtual dom - scrollbar jumps around too. It's almost like it's trying to remove elements from the dom within the same message (the whole message can't be displayed).

Changing the windows size mitigates it, until a different sized message is seen.

Firefox on Windows if that matters.

<!-- gh-comment-id:4299087147 --> @Silvenga commented on GitHub (Apr 22, 2026): Looks related to lazy loading/virtual dom - scrollbar jumps around too. It's almost like it's trying to remove elements from the dom within the same message (the whole message can't be displayed). Changing the windows size mitigates it, until a different sized message is seen. Firefox on Windows if that matters.
GiteaMirror commented 2026-04-25 09:51:43 -05:00
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@Mersid commented on GitHub (Apr 22, 2026):

Confirm this happens on both Firefox and Safari (iOS). Excellent update, still!

<!-- gh-comment-id:4299311189 --> @Mersid commented on GitHub (Apr 22, 2026): Confirm this happens on both Firefox and Safari (iOS). Excellent update, still!
GiteaMirror commented 2026-04-25 09:51:44 -05:00
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@jxingnet commented on GitHub (Apr 23, 2026):

Same problem on chrome/egde/safari. v0.9.1.

<!-- gh-comment-id:4301803693 --> @jxingnet commented on GitHub (Apr 23, 2026): Same problem on chrome/egde/safari. v0.9.1.
GiteaMirror commented 2026-04-25 09:51:45 -05:00
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@gmtrnv commented on GitHub (Apr 23, 2026):

Same problem in Chrome

<!-- gh-comment-id:4301833067 --> @gmtrnv commented on GitHub (Apr 23, 2026): Same problem in Chrome
GiteaMirror commented 2026-04-25 09:51:46 -05:00
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@divemasterza commented on GitHub (Apr 23, 2026):

Same -> Chrome 147.0.7727.56 (Official Build) (arm64)

<!-- gh-comment-id:4302580446 --> @divemasterza commented on GitHub (Apr 23, 2026): Same -> Chrome 147.0.7727.56 (Official Build) (arm64)
GiteaMirror commented 2026-04-25 09:51:47 -05:00
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@Podden commented on GitHub (Apr 23, 2026):

Seems to be related to lazy loading the start and the end of the conversation and the different lenght of messages. Scrollbar is getting smaller and longer as well. Happens on Firefox, Chrome, Edge, WIndows, CachyOS... on mobile and PWA as well

<!-- gh-comment-id:4302934066 --> @Podden commented on GitHub (Apr 23, 2026): Seems to be related to lazy loading the start and the end of the conversation and the different lenght of messages. Scrollbar is getting smaller and longer as well. Happens on Firefox, Chrome, Edge, WIndows, CachyOS... on mobile and PWA as well
GiteaMirror commented 2026-04-25 09:51:48 -05:00
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@EuPhobos commented on GitHub (Apr 23, 2026):

Oh.. this is really annoying..

<!-- gh-comment-id:4305661342 --> @EuPhobos commented on GitHub (Apr 23, 2026): Oh.. this is really annoying..
GiteaMirror commented 2026-04-25 09:51:48 -05:00
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@RabiHikari commented on GitHub (Apr 23, 2026):

Same issue on my Firefox. However, my Chrome behaves a bit differently: when idle, sometimes the text glitches slightly up and down. Once scrolling, the page doesn't jump around but becomes stuttery and laggy, with the degree of lag fluctuating randomly. Seems only occur with long contexts.

<!-- gh-comment-id:4306234761 --> @RabiHikari commented on GitHub (Apr 23, 2026): Same issue on my Firefox. However, my Chrome behaves a bit differently: when idle, sometimes the text glitches slightly up and down. Once scrolling, the page doesn't jump around but becomes stuttery and laggy, with the degree of lag fluctuating randomly. Seems only occur with long contexts.
GiteaMirror commented 2026-04-25 09:51:49 -05:00
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@vrelk commented on GitHub (Apr 23, 2026):

Experiencing the same thing in Firefox, except it is MUCH worse than the example video when you have long messages with things like code blocks in them as it will skip entire messages.

<!-- gh-comment-id:4306984885 --> @vrelk commented on GitHub (Apr 23, 2026): Experiencing the same thing in Firefox, except it is **MUCH** worse than the example video when you have long messages with things like code blocks in them as it will skip entire messages.
GiteaMirror commented 2026-04-25 09:51:50 -05:00
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@idealclover commented on GitHub (Apr 24, 2026):

Same here on Edge

<!-- gh-comment-id:4311084607 --> @idealclover commented on GitHub (Apr 24, 2026): Same here on Edge
GiteaMirror commented 2026-04-25 09:51:50 -05:00
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@morbificagent commented on GitHub (Apr 24, 2026):

Yes its unuseable at the moment.

<!-- gh-comment-id:4311151800 --> @morbificagent commented on GitHub (Apr 24, 2026): Yes its unuseable at the moment.
GiteaMirror commented 2026-04-25 09:51:51 -05:00
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@bazzspeed commented on GitHub (Apr 24, 2026):

This is my experience:

  • A long thread, comparing two models.
  • Scroll to the top, no problem
  • Then start scrolling down, and it dynamically reloads a lot of messages and returns you to the top.
  • I can't actually scroll down past the first screen of content.

Weird.

<!-- gh-comment-id:4311319420 --> @bazzspeed commented on GitHub (Apr 24, 2026): This is my experience: - A long thread, comparing two models. - Scroll to the top, no problem - Then start scrolling down, and it dynamically reloads a lot of messages and returns you to the top. - I can't actually scroll down past the first screen of content. Weird.
GiteaMirror commented 2026-04-25 09:51:53 -05:00
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@D3bu9m4n commented on GitHub (Apr 24, 2026):

same issue

<!-- gh-comment-id:4312086185 --> @D3bu9m4n commented on GitHub (Apr 24, 2026): same issue
GiteaMirror commented 2026-04-25 09:51:53 -05:00
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@tjbck commented on GitHub (Apr 24, 2026):

Addressed with the latest release.

<!-- gh-comment-id:4312302459 --> @tjbck commented on GitHub (Apr 24, 2026): Addressed with the latest release.
GiteaMirror commented 2026-04-25 09:51:54 -05:00
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@FrameXX commented on GitHub (Apr 24, 2026):

@tjbck

I don't think the issue went away completely. Now it only happens at the very top of a chat on first load. How to reproduce:

  • Use latest Firefox.
  • Open chat with enough messages to scroll.
  • Reload the page just to make sure we are fresh.
  • Scroll to the very top.

2 screencasts:

https://github.com/user-attachments/assets/7b82337a-3588-426a-9700-468c15f4b95d

https://github.com/user-attachments/assets/24cacd1a-bdab-46b3-8e3e-bfc511acda42

There's the issue:

Image

Also when I open or reload a chat I get spawned in the middle of the chat. I am not sure whether that's an expected behavior.

Don't read the chat please. I am braindead.

<!-- gh-comment-id:4314689029 --> @FrameXX commented on GitHub (Apr 24, 2026): @tjbck I don't think the issue went away completely. Now it only happens at the very top of a chat on first load. How to reproduce: - Use latest Firefox. - Open chat with enough messages to scroll. - Reload the page just to make sure we are fresh. - Scroll to the very top. 2 screencasts: https://github.com/user-attachments/assets/7b82337a-3588-426a-9700-468c15f4b95d https://github.com/user-attachments/assets/24cacd1a-bdab-46b3-8e3e-bfc511acda42 There's the issue: <img width="1253" height="278" alt="Image" src="https://github.com/user-attachments/assets/1c4dae9a-7ab5-42b1-83cc-58f0d5049fab" /> --- Also when I open or reload a chat I get spawned in the middle of the chat. I am not sure whether that's an expected behavior. Don't read the chat please. I am braindead.
GiteaMirror commented 2026-04-25 09:51:54 -05:00
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@d1ffuser commented on GitHub (Apr 24, 2026):

@FrameXX Unable to reproduce on the latest version.

Firefox 150.0 mac.

<!-- gh-comment-id:4315772966 --> @d1ffuser commented on GitHub (Apr 24, 2026): @FrameXX Unable to reproduce on the latest version. Firefox 150.0 mac.
GiteaMirror commented 2026-04-25 09:51:55 -05:00
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@FrameXX commented on GitHub (Apr 24, 2026):

I tried in freshly installed Librewolf with no extensions. I am still able to reproduce it.

https://github.com/user-attachments/assets/39ff3a54-7bbd-4588-982d-40e94e990469

<!-- gh-comment-id:4315866444 --> @FrameXX commented on GitHub (Apr 24, 2026): I tried in freshly installed Librewolf with no extensions. I am still able to reproduce it. https://github.com/user-attachments/assets/39ff3a54-7bbd-4588-982d-40e94e990469
GiteaMirror commented 2026-04-25 09:51:56 -05:00
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@TotoShampoin commented on GitHub (Apr 25, 2026):

Experiencing this too. It's incredibly annoying

<!-- gh-comment-id:4319559656 --> @TotoShampoin commented on GitHub (Apr 25, 2026): Experiencing this too. It's incredibly annoying
GiteaMirror commented 2026-04-25 09:51:57 -05:00
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@FrameXX commented on GitHub (Apr 25, 2026):

You might not actually need to scroll to the top. It's enough to just scroll to the area that isn't loaded yet.

<!-- gh-comment-id:4319562485 --> @FrameXX commented on GitHub (Apr 25, 2026): You might not actually need to scroll to the top. It's enough to just scroll to the area that isn't loaded yet.
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Reference: github-starred/open-webui#35674
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