It is important to note that this film was intentionally shot with a diffusion filter to create a whimsical, storybook atmosphere. This results in a naturally "soft" or "hazy" image that high-definition formats cannot completely "fix".
If you have a 4K setup, the UHD version (especially the 25th-anniversary edition with Dolby Vision) is the definitive way to watch. It offers better color depth (HDR) and refined grain management that outperforms even the best 1080p Blu-ray. Il Grinch [HD] (2000) Bluray 1080p
The Blu-ray editions are typically packed with legacy features originally found on the DVD: It is important to note that this film