You have 1 job - add a header. Why are you substituting my header to lowercase without me wanting to do so?

No documentation at all, and seems all Match types except option "All" are not working.
Also, it does not allow to modify more than one header in one rule.

not working with fenix, Firefox for Android

dosnt work. soory only 1 star

It doesn't work

The groups are messed if you accidently click "edit name"