[Diff since v0.3.0](https://github.com/JuliaMolSim/DFTK.jl/compare/v0.3.0...v0.3.1) **Closed issues:** - Proper type stability (#60) - Decide on r_to_G vs from_fourier().real (#311) - Rethink RealFourierArray (#313) - Data structure for `ρ` and `ρspin` (#320) - Use of Measurements.jl in DFTK (#417) - Magnetism warning (#438) - Optimize linear algebra in LOBPCG (#441) **Merged pull requests:** - Bail out in density guess if magnetisation is too large (#439) (@mfherbst) - Non-allocating dot in kinetic (#440) (@antoine-levitt) - Use BlockArrays in LOBPCG (#442) (@antoine-levitt)