At the latest German Perl Workshop I held a 40 min beginner- to mid level talk about Raku (slides). It was about the habits of Perl programmers that turn contra productive in this new language. This article is a summarizing recapitulation of the pitfalls minus the intro about the history of Raku, the zef ecosystem and some general knowledge - for all those who could not attend or don't speak German.| blogs.perl.org