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+# Changelog
+
+All notable changes to Velxio will be documented in this file.
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
+
+## [2.0.1] - 2026-04-17
+
+### Added
+- Added ATtiny85 support with examples and simulation tests
+- Added BMP280 sensor component with circuit preview and SVG representation
+- Added example detail pages with improved SEO and sitemap generation
+- Added MicroPython support for RP2040 (Pico), ESP32, ESP32-S3, and ESP32-C3 boards
+- Added ability to upload precompiled firmware files (.hex, .bin, .elf) directly into the emulator
+- Added ability to remove boards from workspace with confirmation dialog
+- Added I2C sensor support with slave emulation for MPU6050, BMP280, DS1307, and DS3231 sensors
+- Added ESP32 WiFi/BLE emulation with ESP-IDF compilation pipeline
+- Added VS Code extension skeleton for local simulation
+- Added comprehensive documentation for ESP32 GPIO sensor simulation, Docker infrastructure, and MicroPython implementation
+- Added auto-compile feature that triggers compilation when pressing Play if code changed or no firmware loaded
+- Added share functionality for projects and examples with visibility toggle
+- Added component metadata overrides and enhanced property controls
+- Added new CI/CD workflows for backend unit tests, end-to-end tests, and automated Discord release notifications
+- Added Docker multi-architecture support (amd64 + arm64) and pre-built ESP-IDF toolchain image
+
+### Changed
+- Enhanced auto-compile to use board's file group for WiFi detection instead of legacy global files
+- Updated CircuitPreview component and implemented ShareModal using createPortal
+- Enhanced Arduino pin tracing in DynamicComponent and updated LittleFS WASM initialization
+- Enhanced ESP-IDF compiler library resolution logic and added support for dynamic library detection
+- Enhanced wire connection handling and GND checks for components
+- Enhanced logging for library loading and WiFi progress
+- Updated Docker build processes with optimized build contexts and multi-architecture support
+- Changed WiFi SSID normalization to match QEMU access points for reliable ESP32 WiFi connection
+- Refactored I2C slave tests for ESP32 with improved event handling and ACK/NACK responses
+
+### Fixed
+- Fixed container restart issue by monitoring both backend and nginx processes
+- Fixed project saving to use active board files/kind and improved error messages
+- Fixed ESP32 boot stability with deterministic instruction counting
+- Fixed ESP32 Run button to auto-compile and recover firmware after page refresh
+- Fixed LED ground check to require cathode wired to GND (or LOW GPIO) to light up
+- Fixed MPU6050Slave I2C handling with improved WHO_AM_I read tracking
+- Fixed ESP32 WiFi SSID/channel alignment with QEMU access_points array
+- Fixed RISC-V toolchain paths for ESP32-C3 compilation
+- Fixed ESP-IDF Python requirements installation in Docker
+- Fixed SaveProjectModal to prevent saving to `/api/projects/none` when project ID is invalid
+- Fixed ESP32 compilation by adding missing dependencies (cmake, ninja-build, git, packaging, libusb)
+
+[2.0.1]: https://github.com/davidmonterocrespo24/velxio/releases/tag/v2.0.1