4 years ago there was a proposal
https://lists.alpinelinux.org/~alpine/devel/%3C134020455.7nPEQRCJ1u%40nanabozho%3E#%3C10813274.9PHECs272x@nanabozho%3E

For my use-case it would be great to have vagrant support for amd64
and arm64 so that I can have a nice test pipeline for my [open-source]
1-click deploy solutions (testing with/without Docker across many
Linux [& other] distributions).

I've started working on it here, contributing to the Chef folk who
have nice predefined scripts for building multiple platforms
https://github.com/chef/bento/pull/1608

My one hangup with packer is it's not open-source anymore. Not sure if
you've come across an open-source alternative or open-source fork?

Anyway it would be great to gain interest from and work to maintain
this [officially].

Thanks for your consideration,

Samuel Marks
github.com/SamuelMarks