Atom feedMKVToolNix v98 released
2026-04-05 — mosu
Hello there!
MKVToolNix v98 is now out, again just a pretty small release with just a handful of changes — but why hold off even longer? Who knows when things will pick up again. So here we are!
An important reminder for macOS users: I will stop providing macOS binaries and any kind of support for macOS in the second half of 2026 due to Apple discontinuing support for the Rosetta x86-to-ARM translation system. As my current build process only works on x86 (Intel) macs this will be the end of the line for any kind of mac support for me. There is some community support in the form of third-party builds over on the MKVToolNix forum.
You can download the source code or one of the packages. The Windows packages as well as the Linux AppImage are available already. The other Linux packages & the macOS disk image are still being built and will be available over the course of the next couple of hours.
Here are the NEWS since the previous release:
Version 98.0 “Chonks” 2026-04-05
New features and enhancements
- all: huge update to the Japanese translations which had been not worked on for several years. The program translation is now complete again, the man page translation has been extended as well. Both were reworked in most places. Translations by coolvitto.
- GUI: chapter editor: added an option in the “additional modifications” dialog that toggles applying the selected modifications to all currently open chapter editor tabs. Implements #6189.
- GUI: macOS: added dock icon progress bar for job queue. Patch by Miklos Juhasz.
Bug fixes
- GUI: chapter editor: when renumbering chapters limiting the number of chapters to renumber did not work. Fixes #6199.
- GUI: macOS: fixed refreshing widgets after system switches between dark & light modes. Patch by Miklos Juhasz.
Build system changes
- The bundled
fmtlibrary was updated to v12.1.0, fixing a build issue on FreeBSD. Fixes #6191.
Have fun 😁
MKVToolNix v97.0 released
2026-01-02 — mosu
Hi fine folks!
Happy new year everyone. Here’s v97.0 of MKVToolNix, probably the smallest release I’ve ever done with just two NEWS.md entries. But I like to keep up with my ususal schedule, so here we are. Feel free to skip this release if the feature mentioned below is irrelevant for you.
An important note for macOS users: I will stop providing macOS binaries and any kind of support for macOS in the second half of 2026 due to Apple discontinuing support for the Rosetta x86-to-ARM translation system. As my current build process only works on x86 (Intel) macs this will be the end of the line for any kind of mac support for me.
You can download the source code or one of the packages. The Windows packages as well as the Linux AppImage are available already. The other Linux packages & the macOS disk image are still being built and will be available over the course of the next couple of hours.
Here are the NEWS since the previous release:
Version 97.0 “You Don’t Have A Clue” 2026-01-02
New features and enhancements
- mkvmerge: MP4 reader: added support for TrueHD in MP4 with FourCC
mlpa. Implements #6178. - installer: the Windows installer will request admin permissions again, as it did before release 96.0.
Have fun 😁
MKVToolNix v96.0 released
2025-11-08 — mosu
Heyooo.
Here’s the latest, the greatest (maybe?) release of MKVtoolNix, v96.0. Business as usual: couple of enhancements, couple of bug fixes.
You can download the source code or one of the packages. The Windows packages as well as the Linux AppImage are available already. The other Linux packages & the macOS disk image are still being built and will be available over the course of the next couple of hours.
Here are the NEWS since the previous release:
Version 96.0 “It’s My Life” 2025-11-08
New features and enhancements
- all programs: added a command-line parameter
--no-bomthat disables writing byte order marks to text files encoded with one of the UTF variants. Implements #6166. - MKVToolNix GUI: multiplexer: added variable
<MTX_CHAPTERS_FILE_NAME>to the “run program after job completion” mechanism containing the absolute path to the chapters file name. Implements #6172.
Bug fixes
- mkvmerge: OBU reader: fixed probing files in which the first frame ends after the 1MB mark, which is how big the memory buffer used for probing content is. Fixes #6165.
- mkvmerge: VobSub reader: VobSub
.idxfiles that start with a byte-order mark (BOM) are now read again correctly. Fixes #6162. - mkvextract: AV1/IVF: fixed inserting a temporal delimiter OBU at the start of each frame if there is none. Mostly fixes #6120.
- mkvextract: AV1/IVF: fixed a potential calculation error when deriving frame rate numerator & denominator from Matroska’s default duration. Part of the fix of #6120.
- mkvextract: AV1/IVF: fixed calculation of IVF frame number calculation from Matroska’s frame timestamps by rounding instead of truncating. Part of the fix of #6120.
Have fun 😁
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