Arrow USA 4K and Blu-ray Limited Edition releases do not include the CD soundtrack and not the same booklets and other items that are in StudioCanal UK 5 Disc Collector's Edition release
Arrow release has a different booklet and some artcards and packaged in similar style slipbox
You can see the difference between the releases from the threads below
Note
UK StudioCanal Blu-ray Discs are Region B locked
USA Arrow Video Blu-ray Discs are Region A locked
UK StudioCanal 5 Disc Collector's Edition
Release date: August 10, 2020 Purchase links: Amazon UK - Zavvi - HMV - Zoom UK Price: £49.99
www.hidefninja.com
USA Arrow Video 4K UHD Limited Edition
Release date: August 18, 2020 Purchase links: DiabolikDVD - Amazon Price: $41.99 (DiabolikDVD) - $42.99 (Amazon) Notes: 2 Discs - Disc 1 4K UHD (Film) - Disc 2 Blu-ray (Life After Flash) - Note - 4K UHD release does include Film on Blu-ray Disc
www.hidefninja.com
USA Arrow Video Blu-ray Limited Edition
Release date: August 18, 2020 Purchase Links: DiabolikDVD - Amazon Price: $34.99 Notes: 2 Discs - Disc 1 Blu-ray (Film ) - Disc 2 Blu-ray (Life After Flash)
www.hidefninja.com
Note the Arrow Video Standard editions do not include the Life after Flash Blu-ray disc only the Limited Editions have that disc