Feed keeps auto-refreshing every couple seconds

I don't know why, but my feed keeps automatically refreshing every few seconds, and is even showing posts that I specified to filter out

[SergejKembel]

Issue triggers the following warning after a few seconds on LinkedIn:

(Warning on automated add-ons/software)

[lepaulb]

Same problem - keeps refreshing, to the point that now it's unusable.

[njelich]

This might happen if you have too many posts. I am a bit busy these days so In can't take a look at the issue right now.