Simsopt

What's Changed
* scipy sqrtm fix by landreman in https://github.com/hiddenSymmetries/simsopt/pull/350
* Enable initial guess solutions for GPMO by kchammond in https://github.com/hiddenSymmetries/simsopt/pull/347
* Cbs/spec nonstellsym fix by smiet in https://github.com/hiddenSymmetries/simsopt/pull/351
* added use of axis aspect ratio argument when plotting poincare sections by jloizu in https://github.com/hiddenSymmetries/simsopt/pull/354
* Extend virtual casing to full torus by rogeriojorge in https://github.com/hiddenSymmetries/simsopt/pull/353
* Strain optimization by ejpaul in https://github.com/hiddenSymmetries/simsopt/pull/346
* Poincare options by ejpaul in https://github.com/hiddenSymmetries/simsopt/pull/362

New Contributors
* kchammond made their first contribution in https://github.com/hiddenSymmetries/simsopt/pull/347
* smiet made their first contribution in https://github.com/hiddenSymmetries/simsopt/pull/351
* jloizu made their first contribution in https://github.com/hiddenSymmetries/simsopt/pull/354

**Full Changelog**: https://github.com/hiddenSymmetries/simsopt/compare/v0.19.0...v0.20.0

What's Changed
* Add QSC and QIC to singularity by mbkumar in https://github.com/hiddenSymmetries/simsopt/pull/340
* Cylindrical magnets grid fix by akaptano in https://github.com/hiddenSymmetries/simsopt/pull/342
* Flip orientation in create_equally_spaced_curves() to fix free-boundary by landreman in https://github.com/hiddenSymmetries/simsopt/pull/341
* tidy up examples by landreman in https://github.com/hiddenSymmetries/simsopt/pull/343
* [FIX] theta_vmec computation in vmec_fieldlines by jons-pf in https://github.com/hiddenSymmetries/simsopt/pull/344
* Tq/mgrid by tmqian in https://github.com/hiddenSymmetries/simsopt/pull/233


**Full Changelog**: https://github.com/hiddenSymmetries/simsopt/compare/v0.18.1...v0.19.0

What's Changed
* fix 278: tracing.hpp does not find boost by jons-pf in https://github.com/hiddenSymmetries/simsopt/pull/332
* SPEC access token removed from docker by mbkumar in https://github.com/hiddenSymmetries/simsopt/pull/335
* Add support for python 3.11 by mbkumar in https://github.com/hiddenSymmetries/simsopt/pull/337
* additional VMEC input file parameters by jons-pf in https://github.com/hiddenSymmetries/simsopt/pull/333
* CI for docs by mbkumar in https://github.com/hiddenSymmetries/simsopt/pull/338
* Add PyQIC and PyQSC to docker by mbkumar in https://github.com/hiddenSymmetries/simsopt/pull/339

New Contributors
* jons-pf made their first contribution in https://github.com/hiddenSymmetries/simsopt/pull/332

**Full Changelog**: https://github.com/hiddenSymmetries/simsopt/compare/v0.18.0...v0.18.1

What's Changed
New Features
* New magnetic field class - mirror machine by rogeriojorge in https://github.com/hiddenSymmetries/simsopt/pull/325
* Descriptor protocol by mbkumar in https://github.com/hiddenSymmetries/simsopt/pull/326

Updates and Fixes
* Fixes the permanent magnet docstring for sphinx by mbkumar in https://github.com/hiddenSymmetries/simsopt/pull/331
* Code cleanup by mbkumar in https://github.com/hiddenSymmetries/simsopt/pull/323
* Removing python 3.7 in CI due to its EOL in a week by mbkumar in https://github.com/hiddenSymmetries/simsopt/pull/328
* Update API documentation by mbkumar in https://github.com/hiddenSymmetries/simsopt/pull/322


**Full Changelog**: https://github.com/hiddenSymmetries/simsopt/compare/v0.17.1...v0.18.0

What's Changed
* PR: Radial derivatives fix in Dommaschk potentials by migueljmp in https://github.com/hiddenSymmetries/simsopt/pull/299

New Contributors
* migueljmp made their first contribution in https://github.com/hiddenSymmetries/simsopt/pull/299

**Full Changelog**: https://github.com/hiddenSymmetries/simsopt/compare/v0.17.0...v0.17.1

What's Changed
* options for SquaredFlux definition by landreman in https://github.com/hiddenSymmetries/simsopt/pull/309
* docker updates by mbkumar in https://github.com/hiddenSymmetries/simsopt/pull/318
* Single-stage optimization add-ons by rogeriojorge in https://github.com/hiddenSymmetries/simsopt/pull/301


**Full Changelog**: https://github.com/hiddenSymmetries/simsopt/compare/v0.16.0...v0.17.0