Well those could be the additional sub-updates, now available
once you've updated to higher base number within Monterrey.
Because those notices are directed to the System itself. Though
those appear by a browser; a few may apply to both categories.
Some fixes and updates for the system should be entertained.
However other users, with similar hardware version Mac, could
have found issues, or set-backs once newer bits were added.
Security updates? As these new systems evolve in real time
get additional update/upgrades; and some may be critical.
Given your macOS is much newer than my old hardware,
that's something to learn and research, before installing.