(lineage-20.0-20230731-nightly-pro1-signed.zip on July 5 security patch installed smoothly (*) using adb sideload and MindTheGapps-13.0.0-arm64-202230408_162909)
(*) A new question after the main flash on whether to reboot to recovery for additional flashing, must be answered with No, otherwise the PC sees the flash as failed. Instead you (like previous versions) from the main menu need to manually select Advanced and Reboot to recovery,