docs(changelog): updates noting scope aware variables

Author: loganch

changelog.md

@@ -18,15 +18,25 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
     - `autoit.maps.includeDepth` - Maximum depth for resolving #include files (default: 3, range: 0-10)
     - `autoit.maps.showFunctionKeys` - Show Map keys assigned in functions (default: true)
   - See [docs/map-support.md](docs/map-support.md) for performance tuning recommendations
+- **Scope-aware variable IntelliSense** - Intelligent context-aware variable completions that respect AutoIt's scoping rules
+  - Shows only accessible variables at cursor position (local, static, global, and parameters)
+  - Prioritizes local variables over globals for better relevance
+  - Respects function boundaries and AutoIt's scope rules (global and function-level scoping)
+  - Extends to global variables from #include files
+  - Intelligent debouncing (500ms) with concurrent update handling
+  - Fallback to regex-based completion when service is unavailable
 - Ignore AutoIt Tidy backup files from diagnostics
 
-### Changed
+### Fixed
 
-- Enhanced README documentation with Map intelligence feature details
+- Improved error handling for variable tracking updates during configuration changes
+- Enhanced stderr and process error handling in Au3Check execution
 
-### Refactored
+### Changed
 
-- Extract and enhance formatter constants into constants.js file
+- Enhanced README documentation with Map intelligence feature details
+- Enhanced variable parsing with support for comma-separated declarations (e.g., `Global $a, $b, $c`) and improved string handling for AutoIt's double-character escaping
+- Extracted formatter constants into constants.js file
 
 ## [1.3.0] - 2025-11-10