In the context of the "Scene" (the underground community for pirated software), a release is a corrected version of a previous release that was flawed. The "story" behind Skyrim.Special.Edition.Update.v1.5.50.0.rar generally involves the following:
: A group (often CODEX or PLAZA ) released an update that had technical issues, such as missing files, a broken installer, or a failure to properly bypass the DRM (Digital Rights Management) for that specific version. Skyrim.Special.Edition.Update.v1.5.50.0.rar
In short, "Proper" is the Scene's way of saying "the first version was broken; this is the one that actually works." In the context of the "Scene" (the underground
