This indicates "Full HD" resolution, consisting of .
MY_Update is the specific channel or group that encoded or distributed the file. Groups like these often specialize in providing "updates" for ongoing series or high-quality movie rips. : [ @MY_Update ] HEVC 1080p.mkv
The @ symbol followed by a name is a standard format for . This indicates "Full HD" resolution, consisting of
A "guide" to this specific naming structure reveals several technical details about the video quality and origin: : This indicates "Full HD" resolution
It is the preferred format for high-quality rips because it supports advanced features like multiple audio languages and (which you can turn on or off). How to Use This File
To get the best experience from an HEVC MKV file, you need hardware or software that supports H.265 decoding: