[Diff since v0.4.1](https://github.com/JuliaMolSim/DFTK.jl/compare/v0.4.1...v0.4.2) **Closed issues:** - Magnetic fields in Package features. (#544) - Atomic positions in cartesian coordinates (#546) **Merged pull requests:** - First steps towards an interface to wannier90 (#518) (@LaurentVidal95) - Fixed minor issues in periodic_problems tutorial (#541) (@cw-tan) - Kinetic Energy Density function (#543) (@cw-tan) - Change magnetic field wording in docs (#545) (@mfherbst) - CompatHelper: bump compat for SpecialFunctions to 2, (keep existing compat) (#547) (@github-actions[bot]) - Docfix: Math rendering for guess_density (#548) (@niklasschmitz) - Add basic routine for wannier plotting (#549) (@mfherbst)