Slack Connect: "more than four years in the making" - life is hard without DAML

If I’m not mistaken, you have built a similar functionality in a much shorter time frame for your OpenWork board (GitHub - digital-asset/danban):

“Introducing Slack Connect: the future of business communication
Organizations can now work securely with multiple partners and vendors in Slack, driving stronger relationships and faster results”

Several People Are Typing – 24 Jun 20

Introducing Slack Connect: the future of business communication

Organizations can now work securely with multiple partners and vendors in Slack, driving stronger relationships and faster results