UK release date is TBC due to manufacturing issues of the UK and EU release made in Europe.
Ignore release date listed as December 31 and also ignore amazon UK estimated January 2025 delivery date.
December 31 that is just a standard placeholder date that Amazon UK and Zavvi often use when they don't have the actual date.
Retailers Amazon UK/Zavvi/HMV will update listings with actual release date when Sony UK distributor Elevation Sales provide details.
UK and EU releases of the SteelBook is still happening Sony just had to change the release date due scanavo having to make new SteelBooks but that date is not known yet.