https://forum.reserve.org/t/ip-eusd-4-2-0-upgrade/1436 Summary

Upgrade all eUSD core contracts and assets from version 3.4.0 to version 4.2.0. This new version of the software includes updates from 4.0.0, 4.1.0, and 4.2.0.

Abstract

The proposed proposal, if enacted, would use a spell contract prepared by ABC Labs and moved onchain by governors via the Register app and voted on through the standard governance process.