Mana bar reversed when it shouldn't
 

I have a bug where the mana bar is reversed (as in filling up when it's emptying) until I toggle "colored when full" off and on again - but this doesn't save until the next UI initialization
I've used RealUI for a long time so it's probably some setting somewhere in my config files that's messing with it though but I'd rather not delete all my settings

Just bumping to let anyone know that have this problem, you can fix it by adding the offending power types to Shared.lua found in nibRealUI\HuD\Unitframes

looks something like this, line 15

RealUI.ReversePowers = {
["RAGE"] = true,
["RUNIC_POWER"] = true,
["POWER_TYPE_SUN_POWER"] = true,
["LUNAR_POWER"] = true,
["INSANITY"] = true,
["MAELSTROM"] = true,
["FURY"] = true,
["PAIN"] = true,
["MANA"] = true,
["ENERGY"] = true,
["FOCUS"] = true,

try messing with these and see if it fixes your issue, because it did for me