All details of changes made to the Bumblebee (2018) 2160p WEB-DL can be found in the torrent file listing.
English and Spanish subtitles are also included in this release.
Here are some screencap comparisons for this release:
2160p WEB-DL 1:

Regraded 1:

2160p WEB-DL 2:

Regraded 2:

2160p WEB-DL 3:

Regraded 3:

2160p WEB-DL 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 : 1 h 53 min
Bit rate mode : Variable
Bit rate : 2 995 kb/s
Maximum bit rate : 10 000 kb/s
Width : 1 920 pixels
Height : 1 080 pixels
Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 1 h 53 min
Bit rate mode : Variable
Bit rate : 431 kb/s
Maximum bit rate : 529 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 : 351 MiB (13%)
Title : bumblebee.aac
Encoded date : UTC 2019-03-23 13:18:14
Tagged date : UTC 2019-03-23 13:18:44