Not sure if this has been posted, or if it's even a bug, but there's a double message when a weapon is put away while mounted.

>sheath
You place your bastard sword in the backpack.
>mount horse
You leap up onto your horse bareback.
>draw sword
You draw out your bastard sword from the backpack.
>sheath
You put your sword in your backpack.
You place your bastard sword in the backpack

Ciek