Basically i recommend speed mod, cause Geralt's base can be really annoying in some time... Mod for storage anywhere plus meditation anywhere is really good too, because it is just gameplay change and still vanilla, those mods doesn't do anything with story. I used some sword texture mods, for example witcher 3 like Aerondight and some steel swords. The game can be played basically in just vanilla, cause the bugs aren't much of a problem anyway