Applies Arena's encounter zone changes to Infiltration. Alternatively you could just make Infiltration load above Arena and then you won't need this patch.
Forwards some fixes to horses made by USSEP and USCCCP. Technically doesn't require either USSEP or USCCCP. If you're using zzjay's Horse Overhaul, just get this fix regardless of whether you're using USSEP and USCCCP.
Fixes an issue where it would become impossible to send parcels when you also use Skyrim Souls. Issue described here. Patch is made by Glanzer, so all credit goes to them.