# Changelog
All notable changes to Arbor 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).
## [1.0.0] - 2026-01-07
### Added
- **World Edges (Cross-File Resolution)** - Implemented `SymbolTable` and FQN-based linking for robust cross-file references.
- **Persistence Layer** - Integrated `sled` database for local graph storage (`GraphStore`).
- **ArborQL (MCP)** - Added `find_path` tool for finding shortest paths between nodes.
- **C# language support** - Methods, classes, interfaces, structs, constructors, properties
- **Control Flow edges** - `FlowsTo` edge kind for CFG (Control Flow Graph) analysis
- **Data Flow edges** - `DataDependency` edge kind for DFA (Data Flow Analysis)
- **Barnes-Hut QuadTree** - O(n log n) force simulation for visualizer scalability
- **Viewport culling** - Only render visible nodes/edges for 100k+ node support
- **LOD rendering** - Simplified node rendering at low zoom levels
- **Headless mode** - `--headless` CLI flag for remote/Docker/WSL deployment
- **Binary serialization** - `bincode` dependency for future binary wire protocol
### Changed
- Consolidated language parsers into query-based `parser_v2.rs`
- Upgraded supported languages to 10 (TypeScript, JavaScript, Rust, Python, Go, Java, C, C++, Dart, C#)
- Improved graph rendering performance for large codebases
### Fixed
- None
## [0.1.1] - 2026-01-06
### Added
- **Go language support** - Functions, methods, structs, interfaces, imports
- **Java language support** - Classes, interfaces, methods, constructors, fields
- **C language support** - Functions, structs, enums, typedefs, includes
- **C++ language support** - Classes, namespaces, structs, functions, templates
- **Dart language support** - Classes, mixins, extensions, methods, enums
- `Constructor` and `Field` node kinds for Java/OOP languages
- Updated set-topics workflow with 19 repository topics
### Changed
- Expanded supported languages from 4 to 9
- Updated README with new language support table
### Fixed
- None
## [0.1.0] - 2026-01-05
### Added
- Initial release
- Core AST parsing with tree-sitter
- TypeScript/JavaScript language support
- Rust language support
- Python language support
- Interactive force-directed graph visualizer (Flutter)
- WebSocket-based real-time updates
- MCP (Model Context Protocol) bridge for AI agents
- CLI with `parse`, `graph`, and `bridge` commands
- File watching with hot reload
