Samsung Galaxy Tab Pro 8.4 (mondrianwifi) for /e/OS-R-1.17
e-1.17-r-20231116-UNOFFICIAL-mondrianwifi.zip
https://www.androidfilehost.com/?fid=16385555061192797010
Please see sources and install instructions including recovery here:
https://xdaforums.com/t/rom-t320-t325-unofficial-lineageos-18-1-android-11-20210509.4207643/
Use it at your own risk!
Please support the developer(s)!