OnePlus 12R/ACE 3 (aston) for /e/OS-U 2.4
e-2.4-u-20241018-UNOFFICIAL-aston.zip
https://sourceforge.net/projects/eosbuildsronnz98/files/OtherSmartphones/e-2.4-u-20241018-UNOFFICIAL-aston.zip/download
Please see sources and install instructions including recovery here:
https://xdaforums.com/t/rom-14-unofficial-lineageos-for-oneplus-12r-ace-3-13-06-24.4669911/
Use it at your own risk!
Please support the developer(s)!