So I needed to nuke my Devterm A06, after poking around at upstream Manjaro and seeing that Devterm isn’t really ready, I looked at the Armbian site where it clearly says Devterm is supported. Got it running and so far really pleased. Browser GPU seems to be working, need more testing to prove this. All 6 cores are enabled. Sound is working. All pretty smooth so far.
Only things I need to check are fan operation and printing. Also probably some of the keyboard customization in a few threads here (game pad in regular use case).