The L drive remains off with both USB connections of the Y-cable. I don't have USB-C for testing.
Version 1.15.2 same problems as with version 1.15.4
These errors came with Tenet 4K:
Failed to save title 1 to file /Users/punisher/Movies/Tenet/Tenet_t01.mkv
Encountered 18 errors of type 'HashCheck Error' - see
http://www.makemkv.com/errors/hashcheck/...
0 titles saved, 1 failed
Using LibreDrive mode (v06.2 id=64754CF46FCA)
Using direct disc access mode
Loaded content hash table, will verify integrity of M2TS files.
Title #00053.mpls has length of 50 seconds which is less than minimum title length of 120 seconds and was therefore skipped
File 00141.mpls was added as title #0
File 00800.mpls was added as title #1
File 00055.mpls was added as title #2
Title 00121.mpls is equal to title 00141.mpls and was skipped
Title #00054.mpls has length of 30 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00013.m2ts has length of 30 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00012.m2ts has length of 1 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00010.m2ts has length of 50 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00011.m2ts has length of 12 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00001.m2ts has length of 19 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00016.m2ts has length of 5 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00017.m2ts has length of 5 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00007.m2ts has length of 20 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00003.m2ts has length of 8 seconds which is less than minimum title length of 120 seconds and was therefore skipped
File 00004.m2ts was added as title #3
File 00009.m2ts was added as title #4
Title #00008.m2ts has length of 7 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Title #00005.m2ts has length of 30 seconds which is less than minimum title length of 120 seconds and was therefore skipped
File 00015.m2ts was added as title #5
Title #00002.m2ts has length of 0 seconds which is less than minimum title length of 120 seconds and was therefore skipped
Operation successfully completed
Saving 1 titles into directory /Users/punisher/Movies/JUSTICE_LEAGUE