Installing /e/ on OnePlus 7 Pro device currently running Android 10?

Installing e-0.7-p-2020033047438-dev-guacamole on my OP7Pro (GM1913) having a stock Q worked.

But this procedure seems to cause the sensors to get get unhooked and unavailable in e. As discussed in the links below, a downgrade from stock Q to stock pie, then followed by install of /e/ seems to circumvent this:

https://gitlab.com/LineageOS/issues/android/issues/1522

Downgrade first, then install /e/: