-ELevate upgrades the underlying OS, which replaces core language runtimes. For example, it upgrades Python 3.6 to 3.9 and Ruby 2.7 to 3.x. Packages and libraries that you installed against the old runtime (via `pip`, `gem`, `npm`, or similar tools) are still configured for the previous version. After the upgrade, those installed dependencies still exist on disk but may be incompatible with, or invisible to, the new runtime. In some cases, system-level packages that provided dependencies on AlmaLinux 8 may have different names or may no longer be available on AlmaLinux 9.
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