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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/1.1.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+---
+## [0.1.0] - 2025-06-22
+
+### Added
+
+- **Chat Management:** Users can now create, view, and remove chats directly from the sidebar.
+- **LLM Integration:** Implemented functionality to send messages to various Large Language Model (LLM) APIs, including ChatGPT, Claude, and Gemini.
+- **Persistent Messaging:** Messages are now saved in an internal database, ensuring conversation history is retained.
+- **Enhanced Message Formatting:**
+    - Added comprehensive Markdown support for messages.
+    - Added code snippet support within Markdown, featuring a convenient copy-to-clipboard function.
+    - Added LaTeX support for mathematical and scientific notations, recognizing both inline (`$`) and display (`$$`) delimiters.
+- **Settings Panel:** A new settings section has been added to the sidebar, allowing for future configuration options.
+- **Secure API Key Storage:** LLM API keys are now securely stored in a `.env` file.
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