I simplified the OxyPowerPack trello board and will update it on a daily basis. I have been workin on a separate project management tool, but will be using Trello exclusively now so the progress is reflected publicily:

https://trello.com/b/hCus5cG7/oxypowerpack-dev-status-roadmap

Feb 2022 Update: we haven't been using trello publicly for months. Instead, we are keeping a simplified roadmap here.