I tried the reformat to APFS - that 100% made my back-ups run a lot faster on my old macs, but did not fix the issue on my 2020 MBA M1.
RobbyLTaylor
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution