Steps to reproduce

1. In a room with a thread
2. Open the thread and read it
3. Go to the all threads view - see the dot indicates that the thread is unread
4. Re-open the thread
5. Still not marked as read

Outcome

What did you expect?

I expected the thread to be marked as read

What happened instead?

It was not marked as read

Operating system

Ubuntu 22.04

Browser information

Firefox 109.0.1

URL for webapp

https://develop.element.io

Application version

Element version: e047e5d-react-a756b33fe912-js-2a363598dd98 Olm version: 3.2.12

Homeserver

matrix.org

Will you send logs?

Yes