Even as a first-time user, you’ll figure it our rather quickly, no worries. It’s not rocket science, just an option to toggle that allows you to install more modern versions of apps in an isolated mode.
But if we only look at regular installs, your software will stay at the same version until Debian 13 is rolled out, likely in summer 2025. Do not expect any large updates at all until then.
Linus did have emotion control issues and was not always completely rational, but he’s gone a long way towards being incredibly responsible to his child that powers the world.
Also, he long understands that Linux ain’t a hobby project, which some programmers still get to think.