Most of the timeline is missing

Open

#21,432 opened on Mar 16, 2022 15 comments 2 reactions 0 assignees View on GitHub

A-Timeline O-Occasional S-Major T-Defect X-Regression

Description

### Steps to reproduce

1. Enter a room
2. Notice there is an upward arrow to scroll up to unread messages
3. Scroll up, but there is nothing to see

### Outcome

#### What did you expect?
I know there are more messages in this room, and I expected to see them.

#### What happened instead?
I see only a couple of messages, and empty space above them.

![image](https://user-images.githubusercontent.com/76812/158571147-18c5d917-edb0-4815-851b-123e16fd296b.png)

When I press PageUp, the screen goes completely blank.

### Operating system

Ubuntu 21.10

### Browser information

Firefox 98.0

### URL for webapp

https://develop.element.io

### Application version

Element version: 1f97bc23256a-react-26e6f8deca1d-js-18943d6519e9 Olm version: 3.2.8

### Homeserver

matrix.org

### Will you send logs?

Yes

This issue has not been assessed yet.