I'm sure you will like to hear that this mission code (not only) was nicely tunned for 2.0 ... don't get me wrong, there still can happen some problems, but comparing with 1.9 is it now like easy walk in park.
Crossfire 2.0 will be standalone mod ... there is so much changed/updated things, that its simply not possible do as 'update' for CF 1.9. ... if you like graphics in 1.9 ... be prepared for suprises ( my first reaction was like .... oooooooo )