K 10
svn:author
V 5
riggs
K 8
svn:date
V 27
2021-02-01T08:47:14.159264Z
K 7
svn:log
V 134
Update to upstream version 53.0.0

Details:
- New features and bug fixes, see
  https://mkvtoolnix.download/doc/NEWS.md

MFH:		2021Q1

END