Registering/upgrading registered package [Help Needed]

#1

Help needed,
I have a registered package written in 0.6 days, Signals, it uses REQUIRE instead of Project.toml.

How do I upgrade it to >1 ? do I simply commit the changes ( deleting REQUIRE putting in a proper Project.toml) or is there a different process for such a thing?

#2

There is a script, I think inside Pkg, that converts a Require to a Project file.