The best enhancement in SOLIDWORKS 2020 is the one that require no training or reading. You simply upgrade the software and your life changes. This is what users of large assemblies will experience once they upgrade to SOLIDWORKS 2020.

You know who else would be extremely happy? Their CAD Administrator! And this is why:

https://www.engineersrule.com/large-assemblies-open-faster-than-ever-in-solidworks-2020/ 

Many thanks to ‌ for patiently extracting the results of the test.

A big thank you toJeff Niederman for providing the insight information about the new enhancement.