• Add strict mode warning for enumeration members starting with a number [#418]
  
• Set deprecation message for signals and properties
  
• Fix HTML definition lists in the documentation generator
  
• Catch up with Python-Markdown 3.4 extension API changes [#439]
  
• Propagate scanner errors [#453]
  
• Do not break when parsing ARM SVE types in system headers [#502]
  
• Pair pointer GTypes with their opaque structure [#508]
  
• Fix property accessor pairing
  
• Handle pid_t, etc. as their own top-level types
  
• Add warning for closure annotation [#449, #450]
  
• Warn on invalid callback annotations [#137]
  
• Make sure to set a GError with an invalid introspect-dump string [#495]
  
• Move gobject-introspection tests to a submodule [#489]
  
• Remove dependency on distutils.msvccompiler [#515]
  
• Be more thorough about applying -Wl,--no-as-needed option [#505]
  
• Documentation and build fixes