I like how they are talking about µ's 3rd years but the other comments are talking about popular ships got overtook by other ships: RubyMaru -> YohaMaru -> YohaRiko and etc.
The speed run is one of the shorter in the series i don't remember off the top of my head its been about year sience my last run but I do remember being murdered by basically all of the chapter 11 and onwards boss fights.