Changelog

CHANGELOG.md

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+# Changelog
+
+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).
+
+## [1.0.0] - 2023-12-05
+
+### Added
+- Initial release of the Hitachi Yutaki integration
+- Basic configuration flow with connection validation
+- Multi-language support (English and French)
+- Automatic model detection and feature discovery
+- Support for Yutaki S, S Combi, S80, and M models
+- Climate control features:
+  - Power control per circuit
+  - Operation mode selection (Heat/Cool/Auto)
+  - Target temperature adjustment
+  - Comfort/Eco presets
+  - Outdoor Temperature Compensation (OTC)
+- DHW (Domestic Hot Water) control:
+  - Power control
+  - Target temperature adjustment
+  - Boost mode
+  - Anti-legionella function
+  - High demand mode
+- Pool heating control (if configured)
+- Monitoring features:
+  - Temperature sensors (outdoor, water inlet/outlet, circuits, DHW)
+  - Component status (compressors, pumps, heaters)
+  - Compressor frequencies and currents
+  - Power consumption
+  - Alarm codes
+- Advanced configuration options:
+  - Circuit-specific settings
+  - Thermostat configuration
+  - OTC calculation methods
+  - ECO mode offsets
+- Special features for S80 model:
+  - Secondary compressor monitoring
+  - R134a circuit sensors
+
+### Changed
+- N/A (Initial release)
+
+### Deprecated
+- N/A (Initial release)
+
+### Removed
+- N/A (Initial release)
+
+### Fixed
+- N/A (Initial release)
+
+### Security
+- Validation of Modbus connection parameters
+- Proper error handling for Modbus communication