All details of changes made to the Alien Covenant blu-ray can be found in the torrent file listing.
English and Spanish subtitles are also included.
Here are some screencap comparisons:
Blu-ray 1:
Regraded 1:

Blu-ray 2:

Regraded 2:

Blu-ray 3:

Regraded 3:

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : [email protected]
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 2 h 2 min
Bit rate mode : Variable
Bit rate : 2 495 kb/s
Maximum bit rate : 10 000 kb/s
Width : 1 920 pixels
Height : 816 pixels
Original height : 804 pixels
Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 2 h 2 min
Bit rate mode : Variable
Bit rate : 224 kb/s
Maximum bit rate : 235 kb/s
Channel(s) : 2 channels
Channel(s)_Original : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 spf)
Compression mode : Lossy
Stream size : 196 MiB (8%)
Language : English
Encoded date : UTC 2017-10-14 22:55:03
Tagged date : UTC 2017-10-14 22:55:13