Is this message normal?

Hi,

I'm using Librewolf on macos and have been using it for a while. While scrolling through my settings, I just noticed this message in "Privacy & Security" right under the Librewolf notice about Enhanced tracking protection:

"You're using Resist Fingerprinting (RFP), which replaces some of LibreWolf's fingerprinting protection settings. This might cause some sites to break."

Is it normal to have this?

I have deleted the whole librewolf folder under ~/library/Application Support in order to re-set the browser to its default configuration and I still see this. Weird thing is that on my other laptop running windows, this message does not appear.