Steps to reproduce:

• Select "Show notifications from another wiki"

Feature summary (what you would like to be able to do and where):
The speed at which notifications from other projects are fetched should be optimized.

Fetching notifications from other projects takes 4–5 seconds, which is very slow.

Benefits (why should this be implemented?):
Users who are active in multiple projects often receive notifications from several projects. This would improve performance for them.

Example for slow loading: