I think if you update your address and country in your HE account it will also update the geolocation of your ipv6 range, although i do not know how long it takes, especially since it is dependent on the different geolocation services themselves
On linux you can enable an option in the kernel to update microcode at runtime (late microcode loading), but this is not recommended as you have processes that started before the late microcode update and thus might have already ran into cpu bugs
Adding to that list, most valve games (even half life 1 from 1996) still getting updates today, and indie game terraria released in 2011 which got big content updates over a decade.
i live in a rural area with zero public transportation and would have a very hard time doing anything in nearby town if there was nowhere to park my car.