[Diff since v0.6.17](JuliaMolSim/DFTK.jl@v0.6.17...v0.6.18)

**Merged pull requests:**
- Factorisation of phonon test cases (JuliaMolSim#822) (@epolack)
- Inline equations fix (JuliaMolSim#947) (@epolack)

**Closed issues:**
- Rename q=k+G to something else (JuliaMolSim#753)

[Diff since v0.6.16](JuliaMolSim/DFTK.jl@v0.6.16...v0.6.17)

**Merged pull requests:**
- Atoms calculators compatible Calculator (JuliaMolSim#921) (@CedricTravelletti)
- Uniform interface for direct minimisation and density interpolation (JuliaMolSim#936) (@mfherbst)
- Fixes of some edge cases in checkpoint handling (JuliaMolSim#937) (@mfherbst)
- Formatting / code improvement (JuliaMolSim#945) (@epolack)
- Documentation on running DFTK on clusters (JuliaMolSim#946) (@mfherbst)

**Closed issues:**
- Possibility of using hybrid functionals (JuliaMolSim#530)

[Diff since v0.6.15](JuliaMolSim/DFTK.jl@v0.6.15...v0.6.16)

**Merged pull requests:**
- Dynamical matrix for local term (JuliaMolSim#752) (@epolack)
- Bump actions/upload-artifact from 3 to 4 (JuliaMolSim#932) (@dependabot[bot])
- Fixing gpu (JuliaMolSim#933) (@epolack)
- Improve performance of IO and serialisation (JuliaMolSim#935) (@mfherbst)

**Closed issues:**
- Non-linear core correction (JuliaMolSim#759)
- Gpu CI Failure (JuliaMolSim#934)

[Diff since v0.6.14](JuliaMolSim/DFTK.jl@v0.6.14...v0.6.15)

**Merged pull requests:**
- Make xc term AD-compatible (JuliaMolSim#892) (@a-azzali)
- Refactor bandstructure routines and json results (JuliaMolSim#895) (@mfherbst)
- Add basic Wannier.jl integration (JuliaMolSim#899) (@Technici4n)
- Move JSON3 dependency into extension module (JuliaMolSim#907) (@mfherbst)
- Update README (JuliaMolSim#912) (@mfherbst)
- Fix caching in CI (JuliaMolSim#915) (@epolack)
- Suggestion for CI simplification (JuliaMolSim#916) (@mfherbst)
- Fix typo (JuliaMolSim#918) (@lucifer1004)
- Remove obsolete interatomic potentials interface (JuliaMolSim#919) (@mfherbst)
- Misc changes (JuliaMolSim#920) (@epolack)
- Remove collinear spin c-interface, which is now native in spglib (JuliaMolSim#924) (@mfherbst)
- Fix a bug with scaling factors in the Hartree term (JuliaMolSim#926) (@ClementineBarat)
- Removing reference to old functions (JuliaMolSim#927) (@epolack)
- Move all requires-based optional code to extension modules (JuliaMolSim#930) (@mfherbst)

**Closed issues:**
- Add interface to GPAW (JuliaMolSim#133)
- Implement ONCVPSP (Norm-converving Vanderbilt PSPs) (JuliaMolSim#134)
- Togglable timings  (JuliaMolSim#293)
- Implement nonlinear core correction (JuliaMolSim#335)
- Include `Manifest.toml` in the repo? (JuliaMolSim#922)

[Diff since v0.6.13](JuliaMolSim/DFTK.jl@v0.6.13...v0.6.14)

**Merged pull requests:**
- Update gross_pitaevskii.jl (JuliaMolSim#908) (@antoine-levitt)
- Misc fixes (JuliaMolSim#910) (@epolack)
- Fix a bug in spglib interface (JuliaMolSim#911) (@mfherbst)

[Diff since v0.6.12](JuliaMolSim/DFTK.jl@v0.6.12...v0.6.13)

**Merged pull requests:**
- Switching to TestItemRunner (JuliaMolSim#888) (@epolack)
- Update test selection mechanism (JuliaMolSim#901) (@mfherbst)
- Update Spglib (JuliaMolSim#903) (@mfherbst)
- Bump minimal Julia version to 1.8 (JuliaMolSim#905) (@mfherbst)
- Add cutoff parameter to PspUpf (JuliaMolSim#906) (@azadoks)

**Closed issues:**
- Use TestItemRunner.jl for managing tests (JuliaMolSim#866)

[Diff since v0.6.11](JuliaMolSim/DFTK.jl@v0.6.11...v0.6.12)

**Merged pull requests:**
- Computation of the Fourier transform of the force constant matrix of Ewald (JuliaMolSim#762) (@epolack)
- CompatHelper: bump compat for Polynomials to 4, (keep existing compat) (JuliaMolSim#874) (@github-actions[bot])
- CompatHelper: bump compat for Spglib to 0.8, (keep existing compat) (JuliaMolSim#876) (@github-actions[bot])
- Implemented density transfer, added timings to hessian (JuliaMolSim#878) (@a-azzali)
- Bump actions/checkout from 3 to 4 (JuliaMolSim#879) (@dependabot[bot])
- warning uses unexisting variable (JuliaMolSim#880) (@epolack)
- fix for documenter 1.1 (JuliaMolSim#882) (@epolack)
- Removing unsupported branch (JuliaMolSim#883) (@epolack)
- Correct typo in preconditioners.jl (JuliaMolSim#885) (@gkemlin)
- Updating SCF doc (JuliaMolSim#886) (@epolack)
- Smaller fixes (JuliaMolSim#890) (@mfherbst)
- Add missing `using Plots` to graphene example (JuliaMolSim#891) (@Technici4n)
- Try to fix interval arithmetic tests by version bound (JuliaMolSim#894) (@mfherbst)
- CompatHelper: add new compat entry for Statistics at version 1, (keep existing compat) (JuliaMolSim#897) (@github-actions[bot])
- CompatHelper: add new compat entry for Artifacts at version 1, (keep existing compat) (JuliaMolSim#898) (@github-actions[bot])

**Closed issues:**
- ExtXYZ segfault (JuliaMolSim#889)

[Diff since v0.6.10](JuliaMolSim/DFTK.jl@v0.6.10...v0.6.11)

**Merged pull requests:**
- Add versioninfo function (JuliaMolSim#872) (@mfherbst)
- Initial support for serialisation to JSON (JuliaMolSim#875) (@mfherbst)

[Diff since v0.6.9](JuliaMolSim/DFTK.jl@v0.6.9...v0.6.10)

**Closed issues:**
- Switch to ReTest (JuliaMolSim#508)
- Unexpected error when using Crystallographic Information Framework (CIF) File Input (JuliaMolSim#863)

**Merged pull requests:**
- API change for Ewald and pairwise computations (JuliaMolSim#853) (@epolack)
- Extend details on precompilation and developer setup (JuliaMolSim#862) (@mfherbst)
- Parse element by number (JuliaMolSim#864) (@mfherbst)
- Fix GPU CI (again) (JuliaMolSim#865) (@mfherbst)
- Fix GPU tests (JuliaMolSim#867) (@vchuravy)
- Fix for Ewald (JuliaMolSim#869) (@epolack)
- CompatHelper: bump compat for Spglib to 0.7, (keep existing compat) (JuliaMolSim#870) (@github-actions[bot])
- Collection of some documentation extensions and bugfixes (JuliaMolSim#873) (@mfherbst)

[Diff since v0.6.8](JuliaMolSim/DFTK.jl@v0.6.8...v0.6.9)

**Merged pull requests:**
- Fix various smaller bugs (JuliaMolSim#860) (@mfherbst)