User blog comment:MisterWoodhouse/The future of Chat/@comment-27453076-20200806193822/@comment-27453076-20200806194740

I said there is no on-site alternative as a result of this. I don't consider Discord and Slack as suitable replacements.

If they were, then there wouldn't be any activity on the ESB chat. Some communities prefer on-site communicating more than external services, and this change will hurt them.