: The update primary altered vp4S.exe and vp4onlineS.exe to ensure continued compatibility with modern Windows environments.

of Virtual Pool 4 (VP4) , released on January 9, 2022, was a maintenance update that focused on technical stability for the simulation's executable files. While it lacked a public changelog, it stands as a bridge between the game's major physics overhauls and its later transition to 64-bit architecture. The Technical "Under the Hood" Update

: These incremental builds eventually led to the major 2026 update, which introduced a full 64-bit build, new font selections, and carbon fiber shaft options to keep the simulation current. Virtual Pool 4 update for 9 January 2022 - SteamDB