if (IsSavegameVersionBefore(SLV_184)) {

		/* The global units configuration is split up in multiple configurations. */

		extern uint8 _old_units;

		_settings_game.locale.units_velocity = Clamp(_old_units, 0, 2);

		_settings_game.locale.units_power    = Clamp(_old_units, 0, 2);

		_settings_game.locale.units_weight   = Clamp(_old_units, 1, 2);

		_settings_game.locale.units_volume   = Clamp(_old_units, 1, 2);

		_settings_game.locale.units_force    = 2;

		_settings_game.locale.units_height   = Clamp(_old_units, 0, 2);

	}

	if (IsSavegameVersionBefore(SLV_186)) {

		/* Move ObjectType from map to pool */

		for (auto t : Map::Iterate()) {

			if (IsTileType(t, MP_OBJECT)) {

				Object *o = Object::Get(t.m2());

				o->type = t.m5();

				t.m5() = 0; // zero upper bits of (now bigger) ObjectID

			}

		}

	}

	/* In version 2.2 of the savegame, we have new airports, so status of all aircraft is reset.