Add changelog

CHANGELOG.md

@@ -5,6 +5,28 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.1.0] - 2025-12-17
+
+### Added
+
+- **Complex Pattern Streaming**: Extended JSONPath streaming capability to handle sophisticated patterns without buffering entire arrays in memory
+  - Property extraction after wildcards: `$.users[*].name` streams individual property values
+  - Array index with property access: `$.items[0].name` extracts nested properties with streaming
+  - Filter expressions with property extraction: `$.items[?price > 100].name` leverages streaming when possible
+- **PathEvaluator Enhancements**: Added `shouldExtractFromValue()` and `walkValue()` methods for partial path matching and nested value extraction
+- **Sequential Result Indexing**: All streamed results maintain correct key ordering across operations
+
+### Changed
+
+- **PathExpression**: Updated `canUseSimpleStreaming()` to recognize complex streamable patterns
+- **Parser**: Enhanced parsing to support complex pattern detection and evaluation
+
+### Performance
+
+- **Memory**: Complex JSONPath patterns now use constant memory instead of buffering entire arrays
+- **Scalability**: Can process very large JSON arrays with complex patterns efficiently
+- **Compatibility**: Maintains performance parity with buffered approach while reducing memory footprint
+
 ## [1.0.0] - 2025-12-05
 
 Initial release of JsonStream PHP - a high-performance streaming JSON parser for PHP 8.1+.