v0.26.0

• Numerous runtime optimizations (thanks @Altren)
• Support for environment variables
• Support for C++-26 reflection
• Add arrow operator
• Support for std::expected
• Use hugo instead of mkdocs for the documentation
• Reject out-of-range integer values (thanks @sean0407)
• Add from_reflection(...) as an alternative to a constructor (thanks @gg-sr)
• Add support for std::inplace_vector (thanks @gg-sr)
• Add DurationAsCount processor (thanks @gg-sr)
• Reject trailing characters when parsing timestamp (thanks @fhgffy)
• Add EnumNamesOnly processor
• Add support for wchar args in CLI
• Output zero flag name if available (thanks @ZXShady)
• Reject externally tagged variants with more than one field (thanks @ciprianf-flexion)
• Allow reading integer as double in TOML (thanks @gg-sr)
• Make sure std::set compiles with custom allocator
• Preserve msgpack float width (thanks @Miguel-OYeah)
• Preserve float width for all other binary formats
• Add operator== for generic and object (thanks @jinchengJL)
• Fix in the CBOR tests (thanks @aruisdante)
• Workaround for issue in Clang 21/22 (thanks @aruisdante)
• No internal linkage in headers (thanks @autoantwort)
• Show default values in the schema (thanks @autoantwort )
• Generic::to_*() enhancements (thanks @kone-tlammi)
• Make sure that read does not abort when default values can not be validated
• Compile-time optimization, particularly for larger structs
• Make sure variables marked as default_var are never required
• Fix infinite recursion bug in schema generation
• Fixed wrong code snippet in the documentation (thanks @evanwporter)
• Minor fix: Added missing header (thanks @gg-sr)
• Minor fix: Removed unreachable code (thanks to @axel-dewalt for reporting)