Slider tick 0.5, which requires editing the osu. file
I am not quite sure does the Guideline allowed this nowadays, but from my memory on 1 year ago, there's a map has got DQ'd for the same reason, even i don't agree with it, but the creator ended up changed it
Overdone spaced stream in a pretty calm section, random spaced triples in general and hard to read 1/6 patterns without proper introduction at the end.