From the 12 Nov 2020 note:
Note we anticipate version 2.0 to have several ‘breaking changes’ in it that will require a bit more extensive upgrade process than usual. Below is a general roadmap of the items we hope will be included in the 2.0 release:
I am having trouble finding instructions or tips related to the upgrade of an existing 1.8.18 to v2.0. I appreciate being directed to instructions, and any updates about the breaking changes and how to navigate those.
ps I also am having trouble finding an already existing discourse on this topic. Happy to follow a link if I have overlooked such a discussion.