Xtgeo

What's Changed
* BLD: Enable CMP0074 NEW to allow SWIG_ROOT by jondequinor in https://github.com/equinor/xtgeo/pull/786
* BUG: ensure raising a ValueError if return -1 by jcrivenaes in https://github.com/equinor/xtgeo/pull/788

**Full Changelog**: https://github.com/equinor/xtgeo/compare/2.18.2...2.18.3

What's Changed
* BUG: fix reading of mixed content grdecl file, issue 757, in PR https://github.com/equinor/xtgeo/pull/782

Technical backend changes
* Simplify SWIG build, https://github.com/equinor/xtgeo/pull/783

**Full Changelog**: https://github.com/equinor/xtgeo/compare/2.18.1...2.18.2

What's Changed
* Fix issue 767 scanning ECL binary files in https://github.com/equinor/xtgeo/pull/776.

**Full Changelog**: https://github.com/equinor/xtgeo/compare/2.18.0...2.18.1

Enhancements
* 3D grids: Added a method to get grid geometries on pyvista/vtk format, 770
* Cubes: Support for Segy with missing traces (768). Hence SEGY files with incomplete
3D (cube) spesifications can now be read.

Bug fixes
* Fixed several bugs regarding Points/Polygon when using Roxar API.

What's Changed
* ENH: add method to get grid geometries on pyvista/vtk format, https://github.com/equinor/xtgeo/pull/770


**Full Changelog**: https://github.com/equinor/xtgeo/compare/2.17.5...2.18.0-alpha1