This release match the commit harmony-one/harmony@ecf1515 in https://github.com/harmony-one/harmony repo.
commit ecf151592e4fa2cc1936c649f9b186a398ceb3bc (HEAD -> main, origin/main, origin/HEAD)
Author: Rongjian Lan <rongjian.lan@gmail.com>
Date: Fri Aug 28 14:19:23 2020 -0700
Add multi-sig merged messaging logic (#3300)
You need to download the harmony binary and the updated node.sh script.