As a "Kvento Games exclusive," the latest builds are accessible through the developer's Patreon, where supporters gain early access to content and provide feedback that helps shape the game's ongoing development. Following the v1 release, incremental updates have already begun, including Update 1 for Build #1, which adds additional content as work on Build #2 progresses.
This branding suggests that Illustrious Rework v1 offers content unavailable in the public or "free" releases. This often includes: illustrious rework v1 kvento games exclusive