I appear to only have the latest installed when I look in software. There is Linux LTS kernel available, but not installed. This is not a dual boot. Having one kernel was not unusual on my previous OS so I didn't think twice about it.
uname -a
Linux d-book 5.5.7-150.current #1 SMP PREEMPT Wed Mar 4 03:31:00 UTC 2020 x86_64 GNU/Linux