[NTG-context] textbackground not working

Hi, Consider the MWE: \definetextbackground[background][ background=color, backgroundcolor=gray] \starttext \starttextbackground[background] Test \stoptextbackground \stoptext In the latest version 2021-06-24 of ConTeXt LMTX, the textbackground is not working. Could this be a bug or am I doing something wrong? Cheers, Christoph