Mark NLA/FCurve modifier properties as library-overridable. It was already allowed to add such modifiers to a library-overridden object, but then the properties of those modifiers were read-only, limiting their use.
Mark NLA/FCurve modifier properties as library-overridable. It was already allowed to add such modifiers to a library-overridden object, but then the properties of those modifiers were read-only, limiting their use.