The LaTeX team cannot guarantee that TeX distributions, even recent ones, contain the most recent version of LaTeX. It may happen that you need a more recent LaTeX than the one that your favourite TeX distribution carries, e. Sowie es lediglich vereinzelt kleinere Unebenheiten gibt, ist das meist unproblematisch – https://social40.com/story1926711/fragen-%C3%9Cber-malerbetrieb-eifel-revealed