** XTB version 6.5.0 is out!*** There is now a Windows binary | Computational and Quantum Chemistry

** XTB version 6.5.0 is out!***

There is now a Windows binary available.

# New features
* Implemented ORCA Hessian for thermo submodule (#504)
* Add Oniom calculator (#573, #574, #577, #581, #578)
* Use mctc library for geometry input / output, (#591, #594, #592)
* support QCSchema JSON, QChem molecule files and FHI-aims geometry.in inputs
* Allow printing of GFN-FF topology lists (#545, #570)
* Add parameters for GFN1(Si)-xTB (#550)
* Added C API option to call gradient calculations on point charges (#584)
* Writing GFN-FF adjacency to output (#497)
* Implement script driver (#579)
* Reparametrization of Pt in Toluene for ALPB. (#524)

# Bug fixes
* Fix issues with structure converter (#604)
* Catch out-of-bounds indexing for constraints (#602)
* Don't check for existence of gfnff_topo (#595)
* Fix hessian calculations for single atoms (#587)
* Make sure to not allow filling more electrons than orbitals available (#526)
* Fix overflow of array for long dynamics (#554)
* Fix formatting in bond order printout (#544)
* Fix duplicated key entry in JSON dump (#537)
* Wrong cube sizing (#527)
* Initialize number of electrons in SP calculation (#525)
* Revert calculation of GFN-FF topological charges (#520)
* Bump C standard to C11 for using _Generic (#623)

# Refactoring
* Add reference for ALPB and GBSA model (#502)
* Use unit testing framework (#517)
* Refactor CMake build files (#518)
* Remove dead-code (symparam, symtrans) (#522)
* Update meson build options (#533)
* Update handling of charges in GFN-FF (#558, #609)
* Refactoring of external drivers (#568, #582)
* Add hessian calculation to calculator type (#569)
* Cleanup printout of spin (#576)
* Use iso_c_binding for building signal handlers (#622)

https://github.com/grimme-lab/xtb/releases/tag/v6.5.0