I'm not sure why, but there is definitely a change in the head unit, display and stalk on the 'Update List' fitted clios. Its not just the head unit.
I had a Connects2 Sony CD Changer to Renualt head unit adapter that I used in my Mk2 172 . This no longer worked in the Trophy head unit, it connected fine, but the unit just didn't recognise the changer.
To get round this I tried a Sony head unit meaning I could plug the changer in directly without an adaptor. Doing this meant I then needed a stalk and display adaptor, so I bought the InCarTec one. This did not work with the stalk and display either.
There are some minor (very minor) changes in the 'update list' unit, and also in the display. Obviously the software on the adaptor boxes is no longer compatible. The adaptors connect ok, its not a physical thing, they just dont work.
I'm not the only one, I know Lee and a few other Trophy owners have found the same, and its not limited to the Trophy, it's all recent clios with an 'Update List' rather than the older 'Tuner List' head unit.
You'll notice that a few websites are stating this now for adapters like on here:
http://www.incarexpress.co.uk/view_product.php?partno=VRNX001
"Not compatible with 'Update List' unit fitted to very late vehicles"
CarAudioDirect now says 'Renault Clio 3 (with dash display) 1998(S) to 2004' but it used to say onwards until I notified them when returning my adapter for a refund.
Hopefully someone will release an adaptor compatible with the 'Update List' fitted cars, but with the new clio now out this might never happen