# Changelog

All notable changes to this project will be documented in this file.

## [0.4.0] - 2026-03-02

### 🚀 Features

- Add Extension struct and refactor codebase to use it.
- Add OpenRTB Native Ads 1.2 specification support
- Add Agentic RTB Framework 1.0 specification support
- Add proto feature for protobuf transport support

### 🚜 Refactor

- Include openrtb_native_12 in github action test matrix.
- Removes now useless file.
- Enforce consistent module re-export convention

### 📚 Documentation

- Enhance Extension trait documentation and standardize builder pattern
- Update generic parameter defaults to reference DefaultExt

### 🧪 Testing

- Add comprehensive tests improving coverage.

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