Google 'blueline' (the codename for Pixel 3) shows "partial" mainline kernel support, and work in progress for more - https://wiki.postmarketos.org/wiki/Google_Pixel_3(google-blu... So there is some hope that this might become at least a semi-usable device with reasonably trusted, non-flaky sources. Android app support can then be provided on top of the mainline kernel as a custom "container" via Anbox/Waydroid.