One day I'll experiment more with OpenMW (especially once it reaches modding parity)
If you want to keep vanilla mechanics (mostly), then OpenMW has already had modding parity for at least several years. In fact, OpenMW is already mostly working on enhancements and performance improvements rather than stability and feature parity with the original engine.
AFAIK, they have their own modding guide, which is pretty extensive, and the minority of mods that aren't compatible are just those which are obsolete (not updated since 2004-5) or superceded by other, better mods, anyways.
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If you want to keep vanilla mechanics (mostly), then OpenMW has already had modding parity for at least several years. In fact, OpenMW is already mostly working on enhancements and performance improvements rather than stability and feature parity with the original engine.
AFAIK, they have their own modding guide, which is pretty extensive, and the minority of mods that aren't compatible are just those which are obsolete (not updated since 2004-5) or superceded by other, better mods, anyways.