GitHub had announced back on June 11th that they were working on a way to rename the default branch structure from
It's a great idea and we are already working on this! cc @billygriffin22— Nat Friedman (@natfriedman) June 12, 2020
Last week, GitHub had posted about the process to rename the default branch at https://github.com/github/renaming/. In the post, they mention to wait until their tools are available. However, some are already choosing a manual migration such as the one outlined by Scott Hanselman on his blog at https://www.hanselman.com/blog/EasilyRenameYourGitDefaultBranchFromMasterToMain.aspx.
For now, I think I’m waiting for the tools to be available. However, I may update one or two projects manually just to get a better feel for the changes.