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Linux kernel API is stable. Why wouldn’t you able to run properly written program from 2009? I’m pretty sure it’ll run just fine.

• Macha 2y ago
  glibc on the other hand is very much not.
  • vbezhenar 2y ago
    glibc is backwards-compatible as well.
    • okanat 2y ago
      Until it isn't. https://github.com/ValveSoftware/Proton/issues/6051 https://github.com/ValveSoftware/Proton/issues/6051 No glibc will not fix it and the rolling release distros are now patching their libc. Here is the list of ABI breaking changes: https://abi-laboratory.pro/?view=timeline&l=glibc https://abi-laboratory.pro/?view=timeline&l=glibc Also a system layer isn't just the C library. Other core Linux libraries often break their ABI too.