Better std::variant support
Read the updated documentation for handling variants
- Support purely reflected structs in variants by @stephenberry in #1913
- Support variant determination via parsability by @stephenberry in #1916
Other Improvements
- Properly specifying REPE formats and validating by @stephenberry in #1908
- Support for std::optional with glz::cast by @stephenberry in #1910
Full Changelog: v5.6.0...v5.6.1