Compatibility between remotes using one or the other hasn't arrived yet, and git doesn't want to break compatibility. But you can create SHA256 one's today. [0]

Compatibility between remotes using one or the other hasn't arrived yet, and git doesn't want to break compatibility. But you can create SHA256 one's today. [0] [0] https://lwn.net/Articles/898522/ https://lwn.net/Articles/898522/