Ver.12.0.4 Integrated Master importing is now faster

Integrated Master importing is now faster.
The effect is more pronounced as the number of input instruction masters, use instruction masters, and output instruction masters increases. For example, importing the following Integrated Master took 3 hours and 30 minutes in the previous version, but this was reduced to 7 minutes in this version.
Input instruction master: 500,000 items, Integrated Master: 2.48 million rows