Log Message:
mkvtoolnix: updated to 53.0.0

Version 53.0.0 "Fool's Gold"

New features and enhancements

* mkvmerge: AVI reader: added support for reading the video aspect ratio from
  the video properties header (`vprp` chunk) if present and setting the
  display dimensions accordingly.
* mkvmerge: MP4 reader: for h.264/AVC tracks that don't have an
  `AVCConfigurationBox` (`avcC` atom) in their sample description (`stsd`)
  atom or whose `avcC` atom contains no content `mkvmerge` will now re-derive
  the `AVCConfigurationBox` from the bitstream.
* mkvextract: mkvextract will now check if any of the destination file names
  is the same as the source file name and abort with an error if that's the
  case.
* MKVToolNix GUI: when querying the user for a file name for saving things
  (e.g. multiplexer settings or an attachment in the header editor), the
  automatically suggested file name will now be based on the
  situation-specific file names (e.g. the destination file name for
  multiplexer settings or the attachment's name when saving an attachment in
  the header editor) instead of the directory's name.
* MKVToolNix GUI: multiplexer: when deriving track languages from file names
  the GUI will now select the right-most match instead of the left-most
  one. For example, "La.vie.en.rose.(fr).srt" will now be detected as \ 
French
  (fr) instead of English (en).
* MKVToolNix GUI: preferences: the items in the "pre-defined …" \ 
lists can now
  be renamed by double-clicking with the mouse or pressing the F2 key.
* Windows installer: the `bluray_dump` command-line utility will be installed
  into the `tools` sub-directory. `bluray_dump` can read & dump certain file
  types used on Blu-rays: `.mpls` playlists, `.clpi` clip information
  databases, `.bdmv` index files, `bdmt_….xml` disc library databases and
  `tnmt_….xml` track & chapter name databases.

Bug fixes

* mkvmerge: stretching chapter timestamps with `--chapter-sync` now works
  correctly with floating point values including fractions of floating point
  numbers (e.g. `12.3/45.67`). The tooltips in the GUI have been adjusted
  accordingly.
* mkvmerge: MPEG 1/2 video handling: the "default duration" header \ 
field was
  often half the value it actually should be, resulting in all video frames
  having an explicit block duration with the correct value. This has been
  fixed with a patch by Tom Yan.
* mkvmerge: MPEG 1/2 video handling: the data stored in `Codec private` and
  `Codec state` doesn't contain extensions other than sequence & sequence
  display extensions anymore. Fix by Tom Yan.
* mkvmerge: tag handling: when remuxing a Matroska file with the
  `--no-track-tags`, existing `SOURCE_ID` track tags are now skipped, too.
* MKVToolNix GUI: multiplexer: the drop-down boxes with pre-defined track
  names now follow the order set in the preferences instead of sorting the
  entries alphabetically.