The latest build of LineageOS16.0 (for SD835 Pro1), dated 20240924, is available at
https://findus.zwergenschaenke.net/~puma/linux.html#lineagepro1
(Kind of) full list of features:
Backported security patches up to the September 2024 ASB.
Improved keyboard behaviour (backported from later LOS releases) as documented in the local patch tarball.
Several more improvements with respect to the upstream LOS 16 tree (GPS fix, touchscreen margin control, ...) as documented in that same patch tarball.
Updated graphics driver stack (from LOS21).
Update of the bund