For interested parties, I followed these instructions: https://forum.xda-developers.com/nexus-7-2013/development/rom-t3569067
using twrp 22.214.171.124 and lineage 17.1 rom linked in that post, along with android-tools on manjaro-arm (yep, used a $99 laptop to re-flash what was a tablet costing twice that lol)
@djsundog But, twrp doesn't support android 10? (https://twrp.me/site/update/2019/10/23/twrp-and-android-10.html)
Please note that this post is primary related to TWRP and the Pixel 3 and 4 and devices that may ship in the future that ship with Android 10 as their original version of Android. Older non-Pixel devices that shipped with older versions of Android and receive upgrades to Android 10 are not affected.
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