A minor but beloved feature: The 2D planning environment in v53877 supports vector-based infinite zoom. You can design a single screw hole at 500x magnification without pixelation—a feature that disappeared in subsequent updates due to "performance optimization" (i.e., downgrading).
The asset library in v53877 is unique. While modern Promob requires an always-on connection to a subscription server, the 2017 Exclusive version shipped with a database. This includes over 15,000 parametric objects, from handles to hinges. The parametric logic in this build is particularly responsive; changing a cabinet’s height automatically adjusts shelf spacing without manual input. promob plus 2017 v53877 exclusive
The data suggests that for pure speed and offline reliability, the 2017 Exclusive build outperforms modern bloatware significantly. A minor but beloved feature: The 2D planning