Well, it took them long enough. The container has been around for over 20 years now.
this post was submitted on 11 Sep 2025
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WebM is just Mastroska with most features disabled that are not relevant to streaming and a mandated set of codecs, so basic Mastroska support would have been possible years ago, simply by accepting the Matroska MIME types.
Me to handbrake for two decades: stop trying to make MKV happen! It's not going to happen!
Guess I owe them an apology
I didn’t know that was something that’s been available in Chrome. Also not entirely sure what I would use it for since I’ve mostly seen it with rips of Blu-ray movies and shows, never smaller files. I thought its main advantage was holding multiple video, audio, and data streams.
It's highly popular in the anime scene for its ability to contain original audio and dubs and a few subtitle tracks, including custom fonts for some of the subtitle formats that are feeling particularly special.
Not that firefox actually supports any of those advanced sub formats lol (I’d be surprised if chrome did either though tbh)
Absolutely true. But it's relatively easy, I assume, given that webm is just a subset of mkv anyway, and why not!
Also not entirely sure what I would use it for since I’ve mostly seen it with rips of Blu-ray movies and shows, never smaller files. I thought its main advantage was holding multiple video, audio, and data streams.
WebM shows that Matroska is excellent for streaming. It's the same container, WebM just mandates a set of codecs (just as MP4 as an offshoot of MOV can theoretically hold non-MPEG codecs but nobody supports this in the real world). With formal Matroska support, something like combining a HEVC video track with an Opus audio would be possible.
Hold up can someone please tell me what benefits MKV has over let's say MP4 ?
Here is a pretty good write up on it. They aren’t that different but generally I think mkv is preferred in high quality since it can handle more tracks and more codecs.
It supports more codecs and I believe can store more tracks compared to MP4. Whenever I download a high quality movie or tv show, especially if it has multiple audio tracks and subtitles to choose from, it is always packaged in .mkv
It supports more complicated subtitles and menuing, more codec support (like a LOT more) lossless support, mode audio formats.
It's like they took MP4 and added in all the stuff that you needed to replicate a BluRay, then added in lossless audio.
If you just want a movie with basic subtitles and audio, MP4 is fine. If you want to replicate newer stuff, MKV supports it.
The real hot part of this is if you have a collection of high-quality video/audio and you're streaming it to firefox, you'll natively be able to do so without transcoding.
After all this time.
I was there before mp4 was a thing.
I guess that's cool but I don't think I've ever seen a website that actually hosted MKVs. What are some websites that have MKVs?
Being able to direct stream content from jellyfin without needing to repackage on the fly to another container would be nice.
Ey, neat
Librewolf when
After Firefox, by definition.
I've just been using the VLC plugin. 🤷♂️
How?
There are several plugins to open in VLC.
Plugin or add on? I guess I'll have to search it. I would love to watch tvheadend streams in ff
I think it's actually an extension. You're required to have VLC open for it to work.
Meh, too little too late
i am still gonna use MOV in obs if it's not a tower PC