Ubuntu is not perpetually stable. I mean.. I have some old instances running since 2018 or so and they continue to work fine, but I've been blocked from running

Ubuntu is not perpetually stable. I mean.. I have some old instances running since 2018 or so and they continue to work fine, but I've been blocked from running/updating certain apps. So my choices now are upgrade the OS and risk breaking everything (almost certain) or... Just keep using the old stuff.