Most likely on launch date - 8th December.
But you still can't chase-play like you can with iPlayer so not otherwise that useful if, for example, you want to watch the footy from kick off skipping over the pre-match drivel.
My Amazon Firesticks have now updated ITV Hub to ITVX.
My has the old icon - but loads as ITVX.
My Firestick still has the old ITV Hub. So as yet not updated to ITVX.
I have Firestick HD and Firestick HD Max - but with old icon but new features.
@ozsat still have the old ITV Hub on my Firestick and even loading the ITV Hub still shows the old look.