Because security fixes don't get backported, when they could, and few are still doing separate security vs. feature updates.
Even Windows is doing it now with CUs, bundling feature & vulnerability patches together, then deprecating the last version. You don't have a choice anymore, it's "accept the features or else"
Even Windows is doing it now with CUs, bundling feature & vulnerability patches together, then deprecating the last version. You don't have a choice anymore, it's "accept the features or else"