Why M21 not included for Ui5 upgrade

[guptanoop]

Why UI 5 not rolled on M21

[t4techdroid]

As per the policy Samsung M series phones are only Guaranteed : 2 major Os update and 3 years of security update.
M21 arrived with Android 10 out of box and now it had completed it's update ( Android 12 )

[Exynos9611]

which Samsung m21 there is one more model too of Samsung m21 that is 2021 edition