A "proper" release is issued when the initial upload contains one of the following issues:
Artifacting, dropped frames, or encoding errors. [Witanime.com] SMNB EP 12 END BD-HD.mp4
It indicates that a previous version of this specific episode (released by the same group or others) had a technical flaw, and this version is the . 🔍 Why a release is labeled "PROPER" A "proper" release is issued when the initial
The site or group that encoded/uploaded the file. Shinmai Maou no Testament or similar
Likely an abbreviation for the anime title (e.g., Shinmai Maou no Testament or similar, depending on their naming convention). EP 12 END: The final episode of the season/series.
Missing lines, poor timing, or major translation mistakes.