The upcoming Twenty Twenty WordPress theme is currently been ported over to Frontity. It will available as a free Frontity theme.
You can track our progress here: https://github.com/frontity/frontity/pull/235
We hope to add support for CodeSandbox so you can try this awesome Frontity theme directly from your browser without having to install anything.
Just saw this. Looks very cool. any ETA on this? is there a viewable demo?
Hi @sonicares, the theme beta is planned to be released very soon, stay tuned. 
The final version will be launched in January.
We’ve just released the beta
We are busy at work on the 1.0 version of the 2020 theme!
What will it feature?
CSS to match the WP 2020 theme with pixel-perfection.
Updated pagination to show links to intermediate pages like so: 1 2 3 ... 8 9 10.
CSS transitions between pages!
Optional infinite scrolling!
Improved the lighthouse score!
Many other small bugfixes and improvements!
You can see the work in progress in github pull requests.
The 1.0 version of the theme has been released