GitHub Discussions is a collaborative communication forum for the community around an open source project. Discussions are for conversations that need to be transparent and accessible but do not need to be tracked on a project board and are not related to code, unlike GitHub Issues. Discussions enable fluid, open conversation in a public forum. Discussions give a space for more collaborative conversations by connecting and giving a more centralized area to connect and find information.
quickstart: Quickstart for GitHub Discussions – GitHub Docs