A: Not official, but common among advanced users on forums (e.g., Nyaa, Anidex, Subscene) to indicate precise changes.
Alternatively, it could mean (a patch measured in minutes), referring to the 02:01:36 mark as being exactly 121 minutes and 36 seconds into a movie or long episode. fjin046engsub convert020136 min patched
Given the structure — fjin046 (suggesting a release or episode ID), engsub (English subtitles), convert020136 (conversion at 02:01:36), and patched (indicating a fix or modification) — I can craft a on how such files are typically created, patched, and converted, without assuming illegal or unauthorized distribution. A: Not official, but common among advanced users