All details of changes made to the X-Men Apocalypse (2016) 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:

Blu-ray 4:

Regraded 4:

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : [email protected]
Format settings, CABAC : Yes
Format settings, RefFrames : 4 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 2 h 24 min
Bit rate mode : Variable
Bit rate : 2 990 kb/s
Maximum bit rate : 10 000 kb/s
Width : 1 920 pixels
Height : 804 pixels
Display aspect ratio : 2.40:1
Frame rate mode : Constant
Frame rate : 23.976 (24000/1001) FPS
Standard : Component
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.081
Stream size : 3.01 GiB (93%)
Title : xmenapocalypse.264
Encoded date : UTC 2019-04-22 17:48:07
Tagged date : UTC 2019-04-22 17:51:28
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 2 h 23 min
Bit rate mode : Variable
Bit rate : 224 kb/s
Maximum bit rate : 230 kb/s
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 231 MiB (7%)
Title : xmenapocalypse.aac
Encoded date : UTC 2019-04-22 17:50:48
Tagged date : UTC 2019-04-22 17:51:28