00:00:181 (1,2,3,4) - these slider sv changes seem too large for a hard diff, you may want to increase by .1 instead if you still plan to do this buildup
SInce it's in the very beginning of the song, I don't see it as a problem because if players get 100s they can simply retry with this build-up in mind, It doesn't happen anywhere else in the song so they won't get harmed by it in any means