Nobody actually follows the LSB as written. But it remains useful as an idea of "stuff that was installed in old distros so usually has some newer version avail

Nobody actually follows the LSB as written. But it remains useful as an idea of "stuff that was installed in old distros so usually has some newer version available". Assuming you can survive all the incompatible interpreter changes for Python etc., the main annoyance with LSB proper is shared library versions.