Any hashrate increase? Like for 1.5.8. when you didn´t say anything and my vegas hashed like 200 more per rig, what a nice surprise 
So you getting about 2200h now or more?
https://www.reddit.com/r/stellite/comments/8p1tss/v4_mandatory_update_for_all_node_maintainers_of/ - stellite too
1.5.8 shouldnt be faster than 1.5.9, cause nothing was changed that could impact speed. Placebo