Should I bother to keep using it or shall I just bite the pill and move to SCALE? I have 3 jails and I’m seriously considering my TrueNAS instance as a storage only, and resort to VM and containers on a dedicated machine to use applications.
Specially if you are considering leaving it as storage only, I’d say it’s totally worth it sticking to CORE.
It’s stable, tried and tested. And it works. Even if fancy new features like RAIDZ Expansion won’t make it to the GUI, it’ll probably work just fine from CLI.
I have a CORE box as my NAS / Home Server with many Jails running my stuff in it and I don’t plan to switch from that anytime soon. Maybe if my services stop supporting FreeBSD, then I’d start by migrating them to Docker containers running in a Linux VM, and when all of them are migrated, then I’d consider going the SCALE route.
If you are going to abandon jails but not use kvm, you will have little differences other than knowing you are on Linux instead of bsd. They are both fully supported.