That’s great, thanks.
I’ll see if we can reproduce here.
found another
General
Unique ID : 232394772020404110162586566214682829647 (0xAED59AE3982716B89A6155A41972634F)
Complete name : M:\Films\Top Gear The Best of the Specials (2017)\Top.Gear.The.Best.of.the.Specials.2017.DVDRip.x264-ARiES[EtMovies].mkv
Format : Matroska
Format version : Version 4
File size : 2.03 GiB
Duration : 2 h 26 min
Overall bit rate : 1 981 kb/s
Encoded date : UTC 2018-08-04 09:43:20
Writing application : mkvmerge v9.9.0 (‘Pick Up’) 64bit
Writing library : libebml v1.3.4 + libmatroska v1.4.5
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L3.1
Format settings : CABAC / 8 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference frames : 8 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 2 h 26 min
Bit rate : 1 856 kb/s
Width : 720 pixels
Height : 404 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 25.000 FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.255
Stream size : 1.90 GiB (94%)
Writing library : x264 core 155 r2901 7d0ff22
Encoding settings : cabac=1 / ref=8 / deblock=1:-2:-2 / analyse=0x3:0x133 / me=umh / subme=9 / psy=1 / psy_rd=1.20:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=12 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=60 / rc=crf / mbtree=1 / crf=19.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / vbv_maxrate=17500 / vbv_bufsize=17500 / crf_max=0.0 / nal_hrd=none / filler=0 / ip_ratio=1.40 / aq=1:0.90
Language : English
Default : Yes
Forced : No
Audio
ID : 2
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : A_AAC-2
Duration : 2 h 26 min
Bit rate : 123 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Delay relative to video : 20 ms
Stream size : 129 MiB (6%)
Language : English
Default : Yes
Forced : No
Text
ID : 3
Format : UTF-8
Codec ID : S_TEXT/UTF8
Codec ID/Info : UTF-8 Plain Text
Duration : 2 h 26 min
Bit rate : 92 b/s
Frame rate : 0.293 FPS
Count of elements : 2572
Stream size : 99.3 KiB (0%)
Language : English
Default : No
Forced : No
Menu
00:00:00.000 : 00:00:00.000
00:10:22.360 : 00:10:22.360
00:21:54.040 : 00:21:54.040
00:31:27.520 : 00:31:27.520
00:42:12.000 : 00:42:12.000
00:53:56.960 : 00:53:56.960
01:02:25.760 : 01:02:25.760
01:10:51.040 : 01:10:51.040
01:22:37.440 : 01:22:37.440
01:31:32.560 : 01:31:32.560
01:42:54.360 : 01:42:54.360
01:53:33.160 : 01:53:33.160
02:02:48.960 : 02:02:48.960
02:14:54.840 : 02:14:54.840
Can you also upload a sample of this?
It’s busy around here but will get looked in to.
Many thanks
Thanks. I’ve downloaded this file and will let you know once I’ve had a chance to look in to it.
New update also fixed this 
Thanks for confirming!