Hacker News Reader

Yes. It's an Allwinner A64 chip underneath and they have binary blobs which they haven't ported to anything newer than 3.10

The original article says the boards have mainline support. Are you sure?

A mainline kernel won't be of much help you if you don't have GPU drivers.

While not yet in mainline (patches pending), the Lima open source driver for Mali 400 GPUs appears to be usable: https://www.phoronix.com/scan.php?page=news_item&px=Lima-DRM...