OnePlus 13R (giulia) for /e/OS-a15 3.0.1
e-3.0.1-a15-20250623-UNOFFICIAL-giulia.zip
https://sourceforge.net/projects/eosbuildsronnz98/files/OtherSmartphones/e-3.0.1-a15-20250623-UNOFFICIAL-giulia.zip/download
Please see sources and install instructions including recovery here:
https://xdaforums.com/t/unofficial-lineage-os-22-2-for-oneplus-13r-ace-5-giulia-17-06-25.4737006/
Use it at you own risk!
Please support the developer(s)!