
Did anyone notice too, that the art is slightly changed? Or it's just me?

Well, in these cases, conditions such as stress, little rest and poor health affect the artist's work. Unfortunately, it's common that in some Asia countries don't let artists rest enough and that's reflected in the final product. In other cases that don't affect health, the author's style has evolved to one that is not to our linking and seems worse to us, but that is just personal opinions.
I think the art was slightly different for the latest chapter (づ ̄ ³ ̄)づ