I’ll start: printers.
I bought an HP in March 2020 when my job went remote and HP bricked it remotely after only 100 pages because I wouldn’t sign up for their subscription program. Ended up trashing a perfectly good printer.
Luckily my library’s close by and I can print there remotely.
https://grapheneos.org/faq#supported-devices
Literally on their page
It literally is not on their page. GrapheneOS only supports Google Pixel phones right now
There’s a LineageOS rom that works for Samsung Galaxy S10e’s, and that’s all I know of