Oh,
MediaInfo 20.09 has also been updated to show when DV metadata is present in an MKV container... So there's that..
https://mediaarea.net/en/MediaInfo
Version 20.09, 2020-10-09
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+ Dolby ED2: full featured support (presentations, presentation targets, beds, objects)
+ MKV: support of Dolby Vision metadata
+ MXF: detection of Dolby E hidden in PCM tracks having more than 2 channels
+ WAV: detection of Dolby E hidden in PCM tracks having more than 2 channels
+ CineForm: display of color space (including Bayer), bit depth
x WAV: more precise sample count
x SMPTE ST 337: catch of streams starting later than usual (probing increased from 4 to 16 PCM "frames")
x PNG: detection of additional alpha plane in color space
x MXF: detection of additional alpha plane in color space
x AVI: detection of additional alpha plane in color space
x MPEG Audio: was wrongly flagging Xing info tag as CBR
x VorbisTag: does not skip DISCID
x Miscellaneous bug/crash fixes
Video
ID : 1
ID in the original source medium : 4113 (0x1011)
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main
[email protected]@High
HDR format : Dolby Vision, Version 1.0, dvhe.07.06, BL+EL+RPU, Blu-ray compatible / SMPTE ST 2086, HDR10 compatible
Codec ID : V_MPEGH/ISO/HEVC
Duration : 2 h 0 min
Bit rate : 51.7 Mb/s
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9