Lionsgate

Upscaled from the 2K DI. Caps are here. While not as dramatic an upgrade as Jackie Brown, color reproduction and especially the reveal of additional highlight information that were completely blown-out on the old master make this a great upgrade regardless. See Uma Thurman’s face in the above cap. Japan Cut: Japan DVD

Japan DVD has more extras compared to the HD/UHD releases

Japan DVD has more extras compared to the HD/UHD releases

Caps #1 (with FEL), caps #2

The compression is underwhelming on all discs, but despite trading blows in various frames, Lionsgate's re-released 4K disc wins.

The Lionsgate 4K re-release includes original matrixed Dolby Stereo mix, transferred from a LaserDisc, with missing cues at side changeover points corrected, and consistent volume throughout, as well as two remixed variants in 5.1 and 7.1 Atmos. The 5.1 is incorrectly labeled as original on the menu.

Lionsgate and StudioCanal 4K Blu-ray share the same video master: both have considerable improvement over the old awful Blu-ray but marred by teal grading and DNR. Lionsgate is additionally better compressed than StudioCanal.

Lionsgate 4K Blu-ray has the original theatrical 2.0 track, sourced from LaserDisc (absent on StudioCanal 4K Blu-ray), but the 5.1 track has issues which are not present on their new Blu-ray (LFE channel is missing, and instead it's the back left surround duplicated)

Lionsgate Limited 4K Blu-ray see caps. Much better contrast and grain exposure but the grade is a bit questionable as it skews heavily towards magenta in some caps and the encode looks low-pass filtered.

Lionsgate and the upcoming Imprint have the same discs.

Lionsgate 4K Blu-ray encoded the "Original 5.1" as lossy Dolby Digital, which is very different from the AC3 on the original DVD.  This new "Original 5.1" may in fact be a downmix of the Atmos track.  FWIW, the original DVD AC3 still sounds very good.