If you are looking for information regarding this specific release, it is typically hosted on developer platforms or community forums. Common locations for documentation or changelogs for such files include:
: Many indie developers host their NSFW projects and update logs here.
Based on the filename , this appears to be a distribution file for an adult-oriented ("NSFW") indie game, likely developed using the Ren'Py engine or a similar framework common for visual novels. The "(ff)" tag often denotes a "Final Fantasy" fan project or a specific build type (like "Fixed" or "Full").
: If the game is in active development, version 1.1 changelogs are often posted in creator-specific posts.