Update CHANGELOG

Author: CodeWithKyrian

CHANGELOG.md

@@ -2,6 +2,57 @@
 
 All notable changes to `jinja-php` will be documented in this file.
 
+## 2.0.0 - 2025-07-20
+
+### What's New
+
+**Core Language Features**
+
+- Added macro support with `{% macro %}` and `{% endmacro %}` blocks
+- Added break and continue statement support for loops
+- Added ternary expressions and improved `if-else` parsing with `elif` support
+- Added spread expressions (`*args`) for function argument unpacking
+- Added comment support with `{# #}` syntax
+- Added null literal support (`none`, `None`)
+
+**Template Processing**
+
+- Added custom transformers-specific `generation` tag support
+- Added string concatenation operator (`~`) and multiple string literal support
+- Enhanced set statements with body support and `{% endset %}` blocks
+- Added `for-else` loops with `{% else %}` blocks
+
+**String Manipulation**
+
+- Added new filters: `capitalize`, `replace`, `split` with maxsplit, `join`
+- Enhanced `startswith`/`endswith` filters with tuple argument support
+- Added `items`, `keys`, `values` methods for object iteration
+- Added trimming functions: `strip`, `lstrip`, `rstrip`
+
+**Data Processing**
+
+- Added Python-style negative array indexing (e.g., `messages[-1]`)
+- Added new filters: `tojson`, `map`, `indent`
+- Added proper numeric type handling with `IntegerValue` and `FloatValue`
+- Added support for both lowercase and uppercase boolean literals
+
+### Fixes
+
+- Fixed undefined array key errors in parser and lexer with proper bounds checking
+- Improved error messages and exception handling throughout
+- Enhanced parser architecture with better statement detection
+- Added `JsonSerializable` interface to runtime values
+
+### Breaking Changes
+
+None - all changes are backward compatible.
+
+### New Contributors
+
+* @dkeetonx made their first contribution in https://github.com/CodeWithKyrian/jinja-php/pull/3
+
+**Full Changelog**: https://github.com/CodeWithKyrian/jinja-php/compare/1.0.0...2.0.0
+
 ## v1.0.0 - 2024-03-19
 
 ### Initial Release