The /e/OS versions are independent of Android version.
The new /e/OS e-3.6 on different devices might be any of
e-3.6-a16,
e-3.6-a15,
e-3.6-a14,
e-3.6-t Android 13,
e-3.6-s Android 12.
There is a rather old answer to version numbering here. e/OS + Android OS version names and numbers? - #3 by aibd.
dreamlte is the device codename
Your System Updater has offered you 3.5 and 3.6. No need to move up incrementally, 3.6 is the whole ROM update but it is still Android 12 (S).
Android version upgrade
This from the weekly update: /e/OS Smartphone Operating System > Development Updates
Also available unofficial-builds Search dreamlte