: The v1.9 Update News provides a long-form explanation of the design philosophy behind these changes.
The v1.9 cycle represented a "foundation" rewrite of the game's core systems, which is likely why you are looking for a deep dive into its structure: Foundation.v1.9.0.33.zip
While there is no "long paper" in the academic sense for this specific minor version, the technical changes are extensively documented in the game's official and development news . Version 1.9.0.33 (specifically build 1.1027) was a critical patch released in late 2022 to stabilize the sweeping v1.9 "Update 1.9" overhaul. Key Technical Overhauls in Foundation v1.9.x : The v1
: The detailed technical changelog for v1.9.0.33 covers every script change and fixed bug. Key Technical Overhauls in Foundation v1
: For technical users, version 1.9.0.33 included significant refactoring for data instance cloning and quest/event systems to provide more flexibility for community creators. Where to Find Full Technical Documentation