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bazirollUpdate MKVToolNix
MKVToolNix 59.0.0

# Version 59.0.0 "Shining Star" 2021-07-10

## New features and enhancements

* mkvmerge: WebVTT parser: the parser now follows the specs' rules for parsing
timestamps more closely by being more lenient: it allows arbitrary number of
spaces & tabs at the start of the line & around the arrow; it allows any
number of digits for the hours. Part of #3139.
* MKVToolNix GUI: multiplexer: when adding a Blu-ray playlist without scanning
for other playlists the GUI will now look for disc library information & let
the user select which one to use if there's more than one entry. Implements
* MKVToolNix GUI: multiplexer: added an option for sorting files & tracks by
track types when adding them to multiplex settings. The order is: video
first followed by audio, subtitles and other types. Files & tracks can still
be reordered manually later. The option is enabled by default & can be found
in the preferences → "Multiplexer" page → "Adding files" section. Implements
* MKVToolNix GUI: multiplexer: added an option for recognizing file name
sequences such as `movie.001.mp4`, `movie.002.mp4`, `movie.003.mp4` when
adding multiple files at once. If a sequence is detected, the only first
file will be added while the second and following file names will be
appended to the first one. The option is enabled by default & can be found
in the preferences → "Multiplexer" page → "Adding files" section. Implements
* MKVToolNix GUI: multiplexer: added small colored boxes for each file & track
in order to indicate from which file each track is read. The colors used can
be configured in the preferences → "Multiplexer" page → "File & track
colors" section.

## Bug fixes

* build system: fixed compilation with fmt v8. Fixes #3151.
* mkvmerge: SRT subtitle reader: characters that aren't valid according to the
assumed encoding of the file will now be replaced by the Unicode
"Replacement Character" U+FFFD instead of keeping the invalid characters,
potentially violating the Matroska specs.
* mkvmerge: WebVTT parser: the parser now accepts timestamps with hours
larger than 99. Part of #3139.
* mkvextract: TTA extraction, only on Windows: fixed removing the temporary
file created during extraction.
* mkvmerge, mkvpropedit, MKVToolNix GUI's multiplexer & header editor: MIME
type detection is now done using Qt instead of the `magic` library. The main
impact is the MIME types of TrueType & OpenType fonts are now detected
correctly. Fixes #3137.
* mkvmerge, mkvinfo, MKVToolNix GUI's info tool: only on Windows: displaying
dates before 1970-01-01 00:00:00 UTC or after 2038-01-19 03:14:08 UTC was
broken. Note that the header editor was not affected. Fixes #3148.
* MKVToolNix GUI: only on 64-bit Windows: under certain conditions, the 64-bit
Windows binaries crashed when opening dialog windows. Even though the
underlying bug hasn't been identified, the investigation showed that
building it with newer versions than 10.2.0 of the mingw/gcc cross-compiler
enabled the crashes, while binaries built with 10.2.0 were fine. This
affected v57 and v58 which were built with gcc versions 10.3.0 and 11.1.0
respectively. For the time being I've switched back to building Windows
binaries with gcc 10.2.0. Fixes #3132 & #3133.
* MKVToolNix GUI: multiplexer: when adding files to the multiplexer by running
the GUI's executable with file names as command line arguments, the source
directory will be remembered as the "last open directory" again, causing
subsequent uses of the "open file" dialog to start in the same directory.
* MKVToolNix GUI: multiplexer: the "default track flag" column in the track
list was missing its icons. Additionally it contained text even for things
that aren't regular tracks and therefore do not actually have that flag
(e.g. chapters or tags). Fixes #3144.
* MKVToolNix GUI: multiplexer: the default for the dialog asking the user what
to do with dragged & dropped files if they've never seen the dialog is back
to adding the files to the current multiplex settings instead of "add as
additional parts" which was an unintentional default.
* MKVToolNix GUI: multiplexer: the "show command line" dialog will now always
use backward slashes for the "Windows (cmd.exe)" mode and forward slashes
for the "Linux/Unix shells" mode, regardless of the operating system it's
currently running on. Fixes #3155.

## Build system changes

* The Qt library is now required for building all applications, even the
command-line ones, as they use Qt's MIME type detection capabilities. In
turn this means that you cannot disable the Qt usage anymore; either Qt5 or
Qt 6 is required.

You can still chose not to build MKVToolNix GUI, though. A new option has
been added to `configure` for this purpose: `--disable-gui`.
* The `gmp` library is now required.
* The `magic` library is not used anymore.
* The `PCRE2` & `JPCRE2` libraries are not used anymore. The bundled version
of `JPCRE2` was removed.
* Boost's "rational" library is not used anymore.
* `configure`: the option `--enable-appimage` has been removed. The location
of the relevant directories within an AppImage is now detected
* The bundled `fmt` library was updated to v8.0.0.

MKVToolnix 60.0.0

New features and enhancements
  • all: IETF BCP 47/RFC 5646 language tags: added support for language families from ISO 639-5 that aren’t part of 639-2.
  • all: IETF BCP 47/RFC 5646 language tags: implemented support for Alpha 2 country codes of the “user-defined” category: `AA`, `QM`–`QZ`, `XA`–`XZ` and `ZZ`.
  • all: IETF BCP 47/RFC 5646 language tags: updated the various lists of valid subtags from the official specs.
  • MKVToolNix GUI: multiplexer: pressing the keyboard shortcut for the track’s “Language” label (Alt+L for English) will now open the language dialog.
  • MKVToolNix GUI: multiplexer: added an option in the preferences for turning off the colored boxes indicating which file each track belongs to.

Bug fixes
  • all: IETF BCP 47/RFC 5646 language tags: fixed validating extended language & variant subtags against their allowed prefixes (e.g. a valid tag with a country code as in `de-CH-1996` is recognized as valid while two generally known variants that aren’t allowed together as in `de-1901-1996` is recognized as invalid).
  • all: IETF BCP 47/RFC 5646 language tags: when looking up a language for a two- or three-letter code, the programs will no longer compare that code with language names as that was unintended, ambiguous (e.g. the code “Ga” could be interpreted as the 639-2 alpha-2 code for “Irish” or as the name of the language called “Ga”) and only worked with languages whose name was at most three letters long.
  • mkvmerge: HEVC/H.265: appending Matroska files with HEVC tracks might lead to the loss of the first couple of frames from each of the second and all following files.
  • mkvmerge, mkvextract: HEVC/H.265 parser: fixed the programs aborting when parsing VPS or SPS NALUs with invalid content due to unhandled exceptions.
  • MKVToolNix GUI: multiplexer: when the option “use legacy MIME types for font attachments” is enabled, the GUI will now use `application/x-truetype-font` for font collection files.
  • MKVToolNix GUI: multiplexer: fixed escaping the `mkvmerge` argument in the “Show command-line options” dialog for the “Windows (cmd.exe)” mode.
  • MKVToolNix GUI: multiplexer: when adding multiple files at once, the GUI will sort file names with numbers the way a human would expect it to. For example, `1.mp4`, `9.aac`, ``, `` are now sorted exactly that order instead of `1.mp4`, ``, ``, `9.aac`.
  • MKVToolNix GUI: header editor: the header editor will now honor the “use legacy MIME types when adding font attachments” setting when adding new attachments.

MKVToolnix 62.0.0 “Apollo”

New features and enhancements:
  • All: IETF BCP 47/TFC 5646 language tags: all ISO 639 languages are now available, even the ones that aren’t of types “Constructed”, “Living” or “Special”.
  • Mkvmerge, mkvpropedit: chapters: both programs will now write elements set to their default value, too (e.g. the legacy language element if it’s set to `eng`). This is done to be more consistent with how MKVToolNix GUI writes chapters. Implements #3210.
  • MKVToolNix GUI: multiplexer: when adding new files as attachments the GUI checks if there are other attachments with the same name. If so, the GUI would ask whether to skip the affected files or add them anyway. There’s now an option in the preferences to always skip such files, and it’s enabled by default.
  • MKVToolNix GUI: chapter editor: removed the support for explicitly setting the legacy country elements. Instead the legacy country elements are derived from the region parts of the IETF BCP 47 languages. Part of the implementation of.
Bug fixes:
  • Mkvmerge: fixed a crash when splitting by chapters is enabled but there are no chapters at all. Part of the fix of #3198.
  • Mkvmerge: the error message when trying to split by a chapter number that doesn’t exist contained the wrong number of chapters that actually do exist.
  • Mkvmerge: AVC ES parser: fixed mkvmerge aborting due to uncaught exception when encountering bad SPS data.
  • Mkvmerge: AVC/H.264 parser: re-added the hack `–engage all_i_slices_are_key_frames` which was accidentally removed in release v61.
  • Mkvmerge: AVI reader: fixed a crash trying to allocate too big of a memory chunk due to an integer overflows in check conditions.
  • Mkvmerge: HEVC ES parser: fixed another issue with frame type recognition. Certain frames were marked as B frames/discardable on the container level even though they could be reference pictures. Now only SLNR pictures (sub-layer non-reference) are marked that way.
  • Mkvmerge: HEVC ES reader: improved file content detection for HEVC ES files with wrong file name extensions (e.g. `.mkv`), which fixes them being mis-detected as something else, e.g. DTS.
  • Mkvmerge: HEVC ES parser: “end of sequence” NALUs are kept now, and no superfluous flushing will be done when one is found. This prevents splitting NALUs into two different Matroska blocks when they should really be part of a single one, also causing problems with erroneous timestamps. Mostly affects DoVi NALUs.
  • Mkvmerge: Matroska reader, TrueHD: mkvmerge will now probe much more TrueHD frames trying to find the first sync frame. This fixes track detection in situations when a TrueHD doesn’t start with a sync frame, e.g. when the source file’s the result of splitting between sync frames.
  • Mkvmerge, MKVToolNix GUI’s chapter editor: IETF BCP 47/RFC 5646 language tags: when reading chapters from MPLS playlist files, the `ChapLanguageIETF` element will now be set to the configured default chapter language, not just the legacy `ChapterLanguage` element.
  • Mkvmerge, mkvpropedit, MKVToolNix GUI’s chapter editor: IETF BCP 47 elements will now always be created before writing chapters unless IETF BCP 47 elements are disabled.
  • Mkvmerge, mkvpropedit, MKVToolNix GUI’s chapter editor: when a chapter display element contains legacy language & country elements but no IETF BCP 47 elements and IETF BCP 47 elements aren’t disabled, the IETF BCP 47 elements created will contain the region from the legacy element.
  • Mkvmerge, mkvpropedit, MKVToolNix GUI’s chapter editor: Legacy country elements are now created when IETF BCP 47 elements are present & contain a region code allowed in legacy country elements.

Build system changes:
  • The `tools` sub-directory is now always built. The corresponding `configure` option `–with-tools` has been removed. The `install` target still doesn’t install them, though.

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