It'd be helpful to get some clarification as to how and which release people initially installed Ubuntu. Thanks!
To test this I installed an Ubuntu 20.04 LTS desktop using ubiquity and choose LVM and encryption. I then upgraded the system to Ubuntu 22.04 LTS and did not encounter an error unlocking the encrypted root partition.
It'd be helpful to get some clarification as to how and which release people initially installed Ubuntu. Thanks!
To test this I installed an Ubuntu 20.04 LTS desktop using ubiquity and choose LVM and encryption. I then upgraded the system to Ubuntu 22.04 LTS and did not encounter an error unlocking the encrypted root partition.