SUMMARY STEPS TO REPRODUCE Use the installer to install KDE Neon and choose to encrypt your SSD. OBSERVED RESULT All if fine, but when booting my computer took more then 30 seconds after I entered my password, before showing the login screen. I did also test in a VM and it was the same. EXPECTED RESULT boot after I entered the password in a couple of seconds. SOFTWARE/OS VERSIONS Latest Neon Installer ISO
I'm also in the IRC: Tuor
I tried with manual partitioning and got the exact same problem. The boot process is very slow after you enter the encryption password. It take ~30 seconds or sometimes even more to present the login screen (sdd I suppose).