Steps to reproduce

1. Open Firefox 128
2. Open https://app.element.io/

Outcome

What did you expect?

Worked app

What happened instead?

Operating system

Windows

Browser information

Firefox 128.0 (is it modern enough? :-D

URL for webapp

https://app.element.io/

Application version

No response

Homeserver

No response

Will you send logs?

No, cause I cannot send a /rageshake command from the web application