v23.2.0

https://github.com/maplibre/maplibre-gl-style-spec
Changes since MapLibre Style Spec v23.1.0:

✨ Features and improvements

• glyphs is now optional even if a symbol layer specifies text-field; if it is unset, text-font is interpreted as a fallback font list (#1068)
• hillshade layer now supports multiple methods, and the multidirectional method supports array values for illumination properties (#1088)
• Add global-state expression and state root property (#1044).

🐞 Bug fixes

• Fix RuntimeError class, make it inherited from Error (#983)
• Validate that layers array items are objects instead of throwing an error if not (#1026)
• Multiple fixes related to validating and parsing of strings containing object prototype keys
  • Fix validate_object crashing when object prototype keys used in style's objects (#1028)
  • Fix validate_color crashing when object prototype keys used as color strings (#1036)
  • Fix color coercion in expressions (e.g. to_color) producing invalid colors when object prototype keys used as color strings (#1036)