GraphQL Specification Update

• Added changes to support the Sept '25 update to the specification.
• Notable Changes
  • Added support for the @oneOf directive (see documentation for details)
  • Added support for the schema coordinates labeling system where applicable in error messages etc.
    • Supporting objects in the type system now expose a SchemaCoordinates property
  • Expanded query document description support to include operations, fragments and variable declarations
  • Expanded deprecation labeling support across schema elements
  • Updated unicode handling to support the full range of unicode characters (including emojis)

Bug Fix

• Fixed a bug where an invalid, escaped unicode sequence may assume additional characters were part of the sequence

Forward Compatability Notice

• WARNING: Library version v1.5.x will be the last version to support .NET Standard 2.0.

Other

• Published dedicated build targets for .NET 10