Dwarf Fortress Update Policy

1st chunk of `pkgs/games/dwarf-fortress/README.md`

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# dwarf-fortress

Maintainers, please read me!

The policy for updates is currently keeping one major version of DF around since 0.44.
See [Save Compatibility](https://dwarffortresswiki.org/index.php/Save_compatibility)
on the DF wiki. Note that saves are backwards compatible, but not forwards-compatible.

This policy has been in effect since Nixpkgs 25.05.

Title: Dwarf Fortress Update Policy

Summary

The current policy for Dwarf Fortress updates in Nixpkgs is to maintain one major version, ensuring backwards save compatibility as outlined in the Dwarf Fortress wiki. This policy has been in place since Nixpkgs 25.05.